| Name | Origin | Meaning | Gender |
| J?n | Hungarian | Friend of wild boar. | male |
| Jaap | Hebrew | Supplanter | male |
| JABARI | egyptian | brave | male |
| JABBAR | arabic | mighty | male |
| Jabbar | Arabic | Mighty | male |
| Jabin | Hebrew | God has built. A Biblical name. | male |
| JABIR | arabic | comforts | male |
| Jabir | Arabic | Comforts | male |
| Jacan | Hebrew | Trouble. A Biblical name. Jachin | male |
| Jace | Unknown | Healer | male |
| Jacen | Unknown | Alternate Spelling: Jason. | male |
| Jacinto | Spanish | Hyacinth | male |
| JACK | english | replace (derivative of James) | male |
| Jack | English | God has been gracious: has shown favor. Based on John or Jacques. | male |
| Jack | Hebrew | Supplanter | male |
| Jackie | English | God has been gracious: has shown favor. Based on John or Jacques. Used more for girls than boys. | male |
| Jackie | Scottish | God has been gracious: has shown favor. Based on John or Jacques. | male |
| JACKSON | english | son of Jack | male |
| Jackson | English | Son of Jack | male |
| Jackson | Scottish | God has been gracious: has shown favor. Based on John or Jacques. | male |
| Jacky | Scottish | God has been gracious: has shown favor. Based on John or Jacques. | male |
| Jacob | Hebrew | Supplanter | male |
| Jacobe | Hebrew | Supplanter | male |
| Jacobo | Spanish | Supplanter. | male |
| Jacot | Hebrew | Supplanter | male |
| Jacqueleen | French | Feminine of Jacques derived from James and Jacob. | male |
| Jacquelin | French | French form of Jacob | male |
| JACQUES | french | French form of Jacob (supplanter) | male |
| Jacques | French | French form of Jacob Supplanter. | male |
| Jacy | English | Based on the initials J.C. or an abbreviation of Jacinda. | male |
| Jacy | Native American | Moon | male |
| Jadan | Unknown | | male |
| Jadarian | African American | | male |
| Jaden | Hebrew | Jehovah has heard. A Biblical name. | male |
| Jader | Hebrew | Jehovah has heard. A Biblical name. | male |
| Jadon | Hebrew | Jehovah has heard. A Biblical name. | male |
| Jae | English | Variant of names like Jason and Jacob. | male |
| Jaecar | German | Hunter. | male |
| Jaeden | English | God has heard. | male |
| Jaedon | Hebrew | Jehovah has heard. A Biblical name. | male |
| JAEL | hebrew | mountain goat | male |
| Jael | Hebrew | Mountain goat | male |
| JAFAR | arabic | rivulet | male |
| JAFARI | Africa | Swahili name meaning "creek." | male |
| JAFARI | egyptian | creek | male |
| Jager | English | Carter | male |
| JAGGER | english | carter | male |
| Jagger | English | Carter | male |
| Jago | Spanish | Supplanter | male |
| Jago | English | Variant of James used in Cornwall. | male |
| JAGUR | aramaic | heap of stones; marker | male |
| JAHI | Africa | Swahili name meaning "dignity." | male |
| JAHI | egyptian | dignified | male |
| Jahmal | Arabic | Handsome. | male |
| Jai | English | Variant of names like Jason and Jacob. | male |
| Jaide | Arabic | Goodness. | male |
| Jaiden | Unknown | | male |
| Jaidon | American | "Heard by God. Alternate Spelling: Jayden, Jaden." | male |
| Jaime | Scottish | Variant of Jacob Supplanter. | male |
| Jaime | Spanish | Supplanter | male |
| Jaira | Hebrew | Feminine of Jairus. | male |
| Jairo | Spanish | Variant of the Hebrew Jairus Jehovah enlightens. | male |
| Jairus | Hebrew | Jehovah enlightens. | male |
| Jaisen | Unknown | Variant of Jason. | male |
| Jaith | Unknown | | male |
| Jaivyn | African | Light spirit. Alternate Spelling: Jayvyn. | male |
| JAJA | Africa | Ibo of Nigeria name meaning "God's gift." | male |
| Jake | English | Abbreviation of Jacob. | male |
| Jake | Hebrew | Supplanter | male |
| Jakeem | Arabic | Raised up. | male |
| Jakeem | Hebrew | Raised up. | male |
| Jakib | Unknown | Variant of Jacob. | male |
| JAKOB | danish | Danish form of Jacob (supplanter) | male |
| JAKOB | german | German form of Jacob (supplanter) | male |
| Jakob | German | German form of Jacob | male |
| JAKOME | basque | Basque form of James (supplanter) | male |
| Jakome | Hebrew | Supplanter | male |
| Jakson | Scottish | God has been gracious: has shown favor. Based on John or Jacques. | male |
| JALAL | arabic | glory of the faith | male |
| Jaleb | Unknown | | male |
| JALEEL | "Arabic,African" | GREATNESS: GODLIKE | male |
| JALIL | arabic | great; revered | male |
| Jamaal | Arabic | Handsome. | male |
| Jamael | Arabic | Handsome. | male |
| Jamahl | Arabic | Handsome. | male |
| JAMAL | arabic | beauty | male |
| Jamal | Arabic | Handsome. | male |
| JAMAL al DIN | arabic | beauty of the faith | male |
| Jamall | Arabic | Handsome. | male |
| Jamarcus | Unknown | Sensitive warrior. | male |
| Jamarick | Unknown | Strong and handsome. | male |
| Jamarreon | American | Strong willed. | male |
| Jameel | Arabic | Handsome. | male |
| Jamel | Arabic | Handsome. | male |
| JAMES | english | replace | male |
| James | Hebrew | Supplanter | male |
| James | English | Replace | male |
| Jameson | English | Variant of Jacob Supplanter. | male |
| Jamian | Hebrew | Right hand of favor. A Biblical name. | male |
| Jamie | Scottish | Variant of Jacob Supplanter. | male |
| Jamie | Hebrew | Supplanter | male |
| Jamiel | Hebrew | Right hand of favor. A Biblical name. | male |
| Jamiel | Arabic | Handsome. | male |
| Jamieson | Scottish | Variant of Jacob Supplanter. | male |
| JAMIL | arabic | beautiful | male |
| Jamil | Arabic | Handsome. | male |
| Jamile | Arabic | Handsome. | male |
| Jamin | Hebrew | Right hand of favor. A Biblical name. | male |
| Jamion | Unknown | Combination of James and Damion. | male |
| Jamir | Unknown | | male |
| Jamison | English | Variant of Jacob Supplanter. | male |
| Jamon | Hebrew | Right hand of favor. A Biblical name. | male |
| JAN | dutch | Dutch form of John, "the Lord is gracious." | male |
| JAN | romanian | the Lord is gracious | male |
| JAN | scandinavian | Dutch form of John, "the Lord is gracious." | male |
| Jan | Hebrew | Gift from God | male |
| Janaya | English | Modern name based on Jane or Jean: Based on Janai meaning God has answered. | male |
| Jancsi | Hebrew | Gift from God | male |
| Janene | English | Variant of Jeannine. | male |
| JANI | finnish | Finnish form of John (God is gracious) | male |
| Jani | Hebrew | Gift from God | male |
| Janie | Hebrew | Gift from God | male |
| Jankia | Hebrew | Gift from God | male |
| Janko | Hebrew | Gift from God | male |
| JANNE | finnish | Finnish form of John | male |
| Jannes | Hebrew | Gift from God | male |
| Janneth | Scottish | Variant of Jane: from the French Jeanette. | male |
| Janos | Hebrew | Gift from God | male |
| Jansen | German | Variant of the Hebrew John Jehovah has been gracious: has shown favor. | male |
| JANSON | dutch | Son of Jan | male |
| JANSON | scandinavian | Son of Jan | male |
| Jantis | German | Sharp spear | male |
| Jantje | Hebrew | Gift from God | male |
| JANUS | latin | myth name (god of beginnings) JEROLIN, JEROME | male |
| Janyd | English | Variant of the French name Gervaise spearman. | male |
| Janyl | English | Blend of Jar and Darell. See also Jerrell. | male |
| JAPHET | german | myth name | male |
| JAPHET | hebrew | handsome | male |
| Japhet | Hebrew | Handsome | male |
| Japheth | Hebrew | May He grant ample room. In the bible Japheth was eldest of Noah's three sons. | male |
| Jaques | Hebrew | Supplanter | male |
| Jarah | Hebrew | He gives sweetness: honey. In the bible Jarah was a descendant of Jonathan. | male |
| Jaran | English | Modern variant of Israeli Jaron cry of rejoicing. | male |
| JARDA | czechoslovakian | myth name | male |
| JARED | hebrew | descending | male |
| Jared | Hebrew | Descending. A pre-flood Biblical name. The character Jared on the late Sixties TV western The Big Valley. | male |
| JAREK | slavic | January | male |
| Jarek | Poland | January | male |
| Jarel | English | Blend of Jar and Darell. See also Jerrell. | male |
| Jarell | English | Blend of Jar and Darell. See also Jerrell. | male |
| Jaren | English | Modern variant of Israeli Jaron cry of rejoicing. | male |
| Jareth | Jareth | Blend of Jar and Gareth. | male |
| Jarett | Hebrew | One who rules. Variant of Jared. | male |
| Jarid | Hebrew | He descends. | male |
| Jarin | English | Modern variant of Israeli Jaron cry of rejoicing. | male |
| Jarion | Unknown | | male |
| Jarlath | Irish | Tributary lord | male |
| JARMAN | german | a German | male |
| Jarman | German | A German | male |
| Jarmann | German | A German | male |
| Jarod | Hebrew | Descending | male |
| JAROSLAV | czechoslovakian | myth name | male |
| JAROSLAV | slavic | beauty of spring | male |
| Jarrad | English | Variant of the French name Gervaise spearman. | male |
| Jarrah | Arabic | vessel. | male |
| Jarran | English | Modern variant of Israeli Jaron cry of rejoicing. | male |
| Jarred | English | Variant of the French name Gervaise spearman. | male |
| Jarrel | English | Blend of Jar and Darell. See also Jerrell. | male |
| Jarrell | English | Blend of Jar and Darell. See also Jerrell. | male |
| Jarren | English | Modern variant of Israeli Jaron cry of rejoicing. | male |
| Jarret | English | Spear strong. Variant of Garrett. | male |
| Jarrett | English | Spear strong. Surname. Variant of Garrett. | male |
| Jarrod | English | Spear strong. Variant and surname form of Garrett from Gerald. | male |
| Jarron | English | Modern variant of Israeli Jaron cry of rejoicing. | male |
| JARVI | finnish | surname meaning "lake" | male |
| JARVIS | german | sharp spear | male |
| Jarvis | English | Variant of the French name Gervaise spearman. | male |
| JARVIS, JERVIS | teutonic | sharp as a spear JERROLD, JAROLD | male |
| Jaryl | English | Blend of Jar and Darell. See also Jerrell. | male |
| Jaryn | English | Modern variant of Israeli Jaron cry of rejoicing. | male |
| Jasen | Unknown | Variant of Jason. | male |
| Jaskirit | India | Praises of the Lord. | male |
| Jasmin | French | A flower name from the older form Jessamine. | male |
| JASON | greek | healer | male |
| Jasontae | American | | male |
| Jaspar | Arabic | Variant of Caspar or Gaspar Keeper of the treasure. | male |
| JASPER | english | English form of Casper (master of the treasure) | male |
| JASPER | hebrew | jewel | male |
| Jasper | French | Jasperstone | male |
| Jasper | Arabic | Variant of Caspar or Gaspar Keeper of the treasure. | male |
| Jasper | English | Master of the treasure | male |
| Jasper | Hebrew | Jewel | male |
| Jassem | Arabic | He of high stature. | male |
| Javan | Greek | Son of Japtheth | male |
| JAVIER | french | born in January | male |
| Javier | Spanish | Bright. Variant of Xavier. | male |
| Javier | French | Born in January | male |
| Javiero | Spanish | Born in January | male |
| Javin | American | | male |
| JAWAD | arabic | open-handed; generous | male |
| JAWARA | Africa | Senegal and Gambia name meaning "peace loving." | male |
| JAWHAR | arabic | jewel | male |
| Jawhar | Arabic | Jewel | male |
| Jax | English | God has been gracious: has shown favor. Based on John or Jacques. | male |
| Jax | Spanish | Masculine form of the Greek name Hyacinth alas. | male |
| Jaxon | English | God has been gracious: has shown favor. Based on John or Jacques. | male |
| JAY | hindi | victorious JALIL | male |
| Jay | English | Variant of names like Jason and Jacob. | male |
| Jay | German | Swift | male |
| Jay | French | Bluejay | male |
| Jayar | English | Phonetic name based on initials. | male |
| Jaycee | English | Phonetic name based on initials. | male |
| Jaydee | English | Phonetic name based on initials. | male |
| Jayden | English | Heard by God. | male |
| Jaydon | Hebrew | Jehovah has heard. A Biblical name. | male |
| JAYE | french | bluejay | male |
| JAYE | german | swift | male |
| Jaye | German | Swift | male |
| Jaye | English | Variant of names like Jason and Jacob. | male |
| Jaye | French | Bluejay | male |
| Jaykell | Unknown | Combination of Jason and Makell | male |
| Jaykob | Unknown | Variant of Jacob. | male |
| Jaylend | American | Lending help: helpful to others. | male |
| Jayme | English | Variant of Jacob Supplanter. | male |
| Jaymes | English | Variant of Jacob Supplanter. | male |
| Jaymin | Hebrew | Right hand of favor. A Biblical name. | male |
| Jayna | English | Jehovah has been gracious: has shown favor. Variant of Joan. | male |
| Jaynie | Hebrew | Jehovah has been gracious: has shown favor. Variant of Joan. | male |
| Jayron | English | Variant of names like Jason and Jacob. | male |
| Jayronn | English | Variant of names like Jason and Jacob. | male |
| Jayson | Greek | Healer. Alternate spelling of Jason. | male |
| Jayvee | English | Phonetic name based on initials. | male |
| Jazmina | English | Modern variant of Jasmine: combination of Jocelyn and the musical term jazz. | male |
| Jazzalyn | English | Modern variant of Jasmine: combination of Jocelyn and the musical term jazz. | male |
| Jazzmyn | Arabic | A flower name from the older form Jessamine. | male |
| JEAN | french | French form of John (God is gracious) | male |
| Jean | French | Variant of John. Jean is sometimes hyphenated with a second name and the French pronunciation may be used as in Jean-Luc and Jean-Paul | male |
| Jean | Hebrew | Gift from God | male |
| JEAN BAPTISTE | french | named for John the Baptist | male |
| Jean Baptiste | French | French form of John the Baptist | male |
| Jeanelle | English | Variant of Jane. Jehovah has been gracious: has shown favor. | male |
| Jeanina | French | Diminutive form of Jane or Jeanne. | male |
| Jeanne | French | Variant of John. | male |
| Jeannette | French | Diminutive form of Jeanne. | male |
| Jeannot | Hebrew | Gift from God | male |
| Jeb | Hebrew | Variant of Jedidiah. | male |
| Jed | Hebrew | Beloved by God | male |
| Jedadiah | Hebrew | Variant of Jedidiah Beloved of Jehovah. | male |
| Jedaiah | Hebrew | Jehovah knows. A Biblical name. | male |
| Jedd | Hebrew | Variant of Jedidiah Beloved of Jehovah. | male |
| Jedediah | Hebrew | Variant of Jedidiah Beloved of Jehovah. | male |
| Jedi | Hebrew | Beloved by God | male |
| Jediah | Hebrew | Jehovah knows. A Biblical name. | male |
| JEDIDIAH | arabic | the hand | male |
| JEDIDIAH | hebrew | beloved by God | male |
| Jedidiah | Arabic | The hand | male |
| Jedidiah | Hebrew | Beloved of Jehovah. In the bible the blessing name Jedidiah was given King Solomon in infancy. | male |
| Jeevan | India | Life or soul. | male |
| Jeff | English | Peaceful. Variant of Jeffrey. | male |
| JEFFERSON | english | son of Geoffrey | male |
| Jefferson | English | Son of Geoffrey | male |
| Jeffery | English | Peaceful. Variant of Geoffrey in use since medieval times. | male |
| Jefford | English | Surname and place-name. | male |
| JEFFREY | anglo | peaceful gift | male |
| Jeffrey | English | Peaceful. Variant of Geoffrey. The three-syllable spelling alternate Jeffery has been used since medieval times. See also Geoffrey. | male |
| Jeffrey | French | Divine peace | male |
| Jeffrey | Anglo-Saxon | Peaceful gift | male |
| Jeffry | English | Peaceful. Variant of Jeffrey. | male |
| Jehoichin | Hebrew | Jehovah has established. | male |
| Jehu | Hebrew | Jehovah is He. The biblical military commander of Israel (later king) who was noted for pell-mell style of chariot driving. | male |
| JELA | Africa | Swahili name meaning "father was suffering during birth." | male |
| Jelani | Swahili | Mighty or powerful. | male |
| Jem | English | Variant of Jacob Supplanter. | male |
| Jem | Hebrew | Supplanter | male |
| Jemal | Arabic | Handsome. Variant of Jamal. JERALD: (English) Variant and surname form of Gerald Rules by the spear. | male |
| Jenarae | English | Variation of Jenny which is a diminutive of Jane and Jennifer. | male |
| JENCI | hungarian | well-born | male |
| Jenda | Hebrew | Gift from God | male |
| Jenilynn | English | Variation of Jenny which is a diminutive of Jane and Jennifer. | male |
| Jennalyn | English | Modern variant of Jenny and Jennifer. | male |
| Jennelle | English | Diminutive form of Jeanne. | male |
| Jennis | English | Variation of Jenny which is a diminutive of Jane and Jennifer. | male |
| Jenny-lee | English | Variation of Jenny which is a diminutive of Jane and Jennifer. | male |
| JENO | greek | well-born | male |
| JENS | danish | Danish form of John (God is gracious) | male |
| JENS | scandinavian | Scandinavian form of John, "the Lord is gracious."Variants include Jensen, and Jenson. KNUT | male |
| Jens | Hebrew | Gift from God | male |
| Jensen | Unknown | Unknown | male |
| Jenyd | English | Variant of Garrett rules by the spear. | male |
| JEOFFROI | french | divine peace | male |
| Jeoffroi | French | Divine peace | male |
| JEPHTAH | hebrew | first born | male |
| Jephtah | Hebrew | First born | male |
| Jerad | English | Variant of Garrett rules by the spear. | male |
| Jerad | Hebrew | Descending. A pre-flood Biblical name. The character Jared on the late Sixties TV western The Big Valley. | male |
| Jerah | Hebrew | Jehovah has seen. A Biblical name. A lunar month: also a given name. | male |
| Jeraldo | Spanish | Variant of Gerald Rules by the spear. | male |
| Jeramiah | Hebrew | God will uplift:exalted. | male |
| Jeramie | English | Variant of Jeremiah in use since the Middle Ages. | male |
| Jeramy | English | Variant of Jeremiah in use since the Middle Ages. | male |