| Name | Gender | What it Means | Origin |
| JA | Male | Magnetic | African |
| JABARI | Male | Fearless | Swahili |
| JABILO | Male | Medicine Man | African |
| JABIR | Male | Comforter | Arabic |
| JABULANI | Male | Happy | African |
| JACE | Both | Moon-Var. of Jacey | American |
| JACEY | Both | From the initials J.C. | American |
| JACIE | Both | Variation of Jace | American |
| JACINDA | Female | Beautiful, | Greek |
| JACINTA | Female | Purple | Spanish |
| JACK | Male | From the name JOHN | English |
| JACKIE | Female | From JACQUELINE or JACLYN | French |
| JACKSON | Male | Son of JACK | English |
| JACLYN | Female | To Protect | French |
| JACOB | Male | Supplanter | Hebrew |
| JACOBA | Female | Supplant | Hebrew |
| JACQUELINE | Female | To Protect | French |
| JACQUES | Male | From the name JACOB | French |
| JACQUI | Female | From JACQUELINE or JACLYN | French |
| JADA | Both | Wise | Hebrew |
| JADE | Both | Green Gemstone | Spanish |
| JADEN | Both | God Has Heard | Hebrew |
| JADON | Male | He will judge | Hebrew |
| JADYN | Female | God has Heard | Hebrew |
| JADZIA | Female | Princess | Polish |
| JAEGAR | Male | Hunger | German |
| JAEGER | Male | Hunter | German |
| JAEL | Female | Prominent | Hebrew |
| JAELLA | Female | Prominent | Arabic |
| JAFARI | Male | Dignified | Swahili |
| JAFARU | Male | Brook, Creek | African |
| JAG | Male | The Universe | Hindi |
| JAGGER | Male | To Carry | English |
| JAGUAR | Male | Large Spotted Feline | English |
| JAHZARA | Female | Blessed Princess | African |
| JAIME | Both | From the name JAMES | Spanish |
| JAIMIE | Both | I Love | French |
| JAIMIN | Both | I Love | French |
| JAKE | Male | From the name JACOB | Hebrew |
| JALEN | Both | Bird of Light | American |
| JALENA | Female | Light | Slavic |
| JALENE | Female | From JAMES and LENORE | American |
| JALIA | Female | Noble | American |
| JALIL | Female | Friend | Arabic |
| JALILA | Female | Great | Arabic |
| JAM | Both | A sweet condiment or musical get-together | American |
| JAMAL | Male | Handsome | Arabic |
| JAMAR | Male | Handsome | African-American |
| JAMES | Both | Supplanter | Hebrew |
| JAMESE | Both | From JAMES | English |
| JAMIE | Both | From the name JAMES | Celtic/Gaelic |
| JAMIL | Male | Handsome | Arabic |
| JAMILA | Female | Beautiful | Egyptian |
| JAMISON | Male | James’ Son | English |
| JAMUNA | Female | Holy River | Hindi |
| JAN | Both | From the name JANET | English |
| JANA | Female | God is Gracious | Slavic |
| JANAE | Female | Form of JANET | Hebrew |
| JANE | Female | Gracious, merciful | English |
| JANEEVA | Female | Juniper Berry | American |
| JANELLE | Female | God is gracious | American |
| JANET | Female | God’s gracious gift | English |
| JANETTE | Female | God is Gracious | French |
| JANIA | Female | God is Gracious | Polish |
| JANICE | Female | God is Gracious | Hebrew |
| JANINA | Female | Form of JANE | Polish |
| JANINE | Female | From the name JANE | American |
| JANNA | Female | God is Gracious | Slavic |
| JANUARY | Female | Born in January | American |
| JANUS | Both | God of Beginnings | Latin |
| JAPHETH | Male | He Expands | Hebrew |
| JARA | Female | Anc. Slavic for Spring | Slavic |
| JARAH | Both | Sweetness | Hebrew |
| JARED | Male | Down to Earth | Hebrew |
| JARIAH | Both | Tributary Lord | African-American |
| JARIATH | Male | Tributary Lord | Hebrew |
| JARON | Male | Singing | Hebrew |
| JARRETT | Male | From the name JARED | Hebrew |
| JARVIS | Male | A Conqueror | German |
| JASE | Male | From Jason | American |
| JASER | Male | Fearless | Arabic |
| JASMIN | Female | A Flower in the Olive Family | Persian |
| JASMINE | Female | A Flower in the Olive Family | Persian |
| JASON | Male | Healer | Greek |
| JASPER | Male | Semi-precious stone | English |
| JATIN | Male | Saintly | Hindi |
| JAUNIE | Female | Brave and kind | American |
| JAVAN | Male | Son of Japtheh | Hebrew |
| JAVEN | Male | Son of Japheth | Hebrew |
| JAVIER | Male | New house | Spanish |
| JAXON | Male | Son of Jack | American |
| JAY | Male | A Bird in the Crow Family | Latin |
| JAYDEN | Male | God has Heard | American |
| JAYME | Both | James | English |
| JAZLYNN | Female | From Jasmine & Lynn | American |
| JEAN | Both | God is Gracious | Celtic/Gaelic |
| JEAN BAPTISTE | Male | St. John the Baptist | French |
| JEANA | Female | Garden | American |
| JEANETTE | Female | God is Gracious | Celtic/Gaelic |
| JEANINE | Female | God is Gracious | Celtic/Gaelic |
| JEANNE | Female | From the name JANE | Celtic/Gaelic |
| JEB | Male | Beloved Friend | Hebrew |
| JEBEDIAH | Male | Beloved Friend | Hebrew |
| JED | Male | Friend of God | Hebrew |
| JEDIDIAH | Male | Friend of God | Hebrew |
| JEFF | Male | From the name JEFFREY | English |
| JEFFERSON | Male | Son of Jeffrey | English |
| JEFFERY | Male | Gift of Peace | English |
| JEFFREY | Male | Gift of Peace | English |
| JELA | Both | Father Suffered During Birth | Swahili |
| JEMIMA | Female | A Dove | Hebrew |
| JEMMA | Female | A Dove | English |
| JEN | Female | White Wave | Welsh |
| JENA | Female | Paradise | Arabic |
| JENAYA | Female | Trendy and hip | American |
| JENDAYI | Female | Thankful | Egyptian |
| JENEIL | Female | Champion Wave | American |
| JENEVA | Female | White Wave | American |
| JENGO | Male | One with Reddish Complexion | African |
| JENIBELLE | Female | Beautiful and Bright | American |
| JENIFER | Female | White Wave | Welsh |
| JENIS | Female | Genesis the beginning | Hebrew |
| JENN | Female | Nickname for JENNIFER | American |
| JENNA | Female | Small Bird | English |
| JENNELLE | Female | From JENNY and NELL | English |
| JENNESSA | Female | From JENNIFER and VANESSA | English |
| JENNICA | Female | Combination of JENNIFER and JESSICA | American |
| JENNIE | Female | White Wave | English |
| JENNIFER | Female | White Wave | Welsh |
| JENNIS | Both | Wild Wave | American |
| JENNY | Female | From the name JENNIFER | English |
| JENS | Male | God is Gracious | Hebrew |
| JENSEN | Male | God is Gracious | Scandinavian |
| JENSKI | Both | Coming home | English |
| JERA | Female | Holy | American |
| JERED | Male | From JARED | Hebrew |
| JEREMIAH | Male | Sent by God | Hebrew |
| JEREMY | Male | God Will Uplift | Hebrew |
| JERENI | Female | Peaceful | Slavic |
| JERI | Female | From the name GERALDINE | French |
| JERICA | Female | Strong, a gifted ruler | American |
| JERICHO | Male | Moon City | Arabic |
| JERMAINE | Both | From Germany | French |
| JEROD | Male | Descendant | Hebrew |
| JEROEN | Male | Holy Man | Arabic |
| JEROLD | Male | From the name GERALD | English |
| JEROM | Male | Holy Man | Latin |
| JEROME | Male | Of Holy Name | Latin |
| JERRELL | Male | From GERALD & DARRELL | English |
| JERRICA | Female | Honorable one who rules by the spear. | American |
| JERRICK | Male | FROM JERICHO | Hebrew |
| JERROD | Male | Down to Earth | Hebrew |
| JERRY | Male | Holy | Greek |
| JERSEY | Both | From a section of England | English |
| JERUSHA | Female | Inheritance | Hebrew |
| JESIMAE | Female | Wealthy and bitter | American |
| JESLYN | Female | Blessed with wealth and beauty | American |
| JESS | Both | Wealthy | Hebrew |
| JESSAMINE | Female | Jasmine | French |
| JESSE | Both | God exists. | Hebrew |
| JESSENIA | Female | Flower | Arabic |
| JESSICA | Female | Wealthy | Hebrew |
| JESSIE | Female | From the name JESSICA | Hebrew |
| JESUS | Male | God Will Help | Spanish |
| JETHRO | Male | Outstanding, Excellent | Hebrew |
| JETT | Male | Jet Black Gem | English |
| JETTA | Female | Black Gem | English |
| JEVONTE | Male | Son of Japtheh | African-American |
| JEWEL | Female | Joy | French |
| JEWELL | Female | Precious gem | French |
| JEZEBEL | Female | Impure | Hebrew |
| JIA LI | Female | Good and Beautiful | Chinese |
| JIE | Both | Pure | Chinese |
| JIHAN | Female | no meaning | Arabic |
| JILL | Female | Girl/Sweetheart | English |
| JILLIAN | Female | Youthful | Latin |
| JIM | Male | From the name JAMES | Hebrew |
| JIMBO | Male | Nickname for JAMES | American |
| JIMMY | Male | From the name JAMES | American |
| JIN | Female | Tenderness | Japanese |
| JINELLE | Female | from Guinevere- Fair | Welsh |
| JIRA | Female | Related by Blood | African |
| JIRAIR | Male | Hard-working | Armenian |
| JIRO | Male | The Second Male | Japanese |
| JO | Both | Nickname for names starting with JO | Hebrew |
| JOACHIM | Male | God Will Establish | Hebrew |
| JOAN | Female | From the name JOANNE | Hebrew |
| JOANN | Female | From the name JOANNE | English |
| JOANNA | Female | From the name JOANNE | English |
| JOANNE | Female | God is Gracious | English |
| JOAQUIN | Male | God Will Establish | Spanish |
| JOB | Male | Afflicted One | Hebrew |
| JOCASTA | Female | Cheerful | Greek |
| JOCELIN | Female | Supplanter | French |
| JOCELYN | Female | Light Hearted | Latin |
| JOCK | Male | Short form of JACOB or JOHN | American |
| JODI | Female | From JOHANNA | American |
| JODIE | Female | Grace of God | Hebrew |
| JODY | Male | Short for JOSEPH | American |
| JOE | Male | From the name JOSEPH | Hebrew |
| JOEL | Male | God is Willing | Hebrew |
| JOELLA | Female | Lord is Willing | Hebrew |
| JOELLE | Female | God is Willing | French |
| JOEY | Male | From the name JOSEPH | Hebrew |
| JOHANNA | Female | God is Gracious | German |
| JOHARI | Female | Jewel | African |
| JOHN | Male | God is Gracious, Merciful | Hebrew |
| JOHNATHAN | Male | Gift of God | Hebrew |
| JOHNAVON | Male | River Consecrated to God | American |
| JOHNDA | Female | God is gracious | Hebrew |
| JOHNNA | Female | Consecrated to God | Hebrew |
| JOHNNY | Male | From the name JOHN | Hebrew |
| JOHNSON | Male | Son of John | English |
| JOIE | Female | Joy | French |
| JOLA | Female | Pretty | Greek |
| JOLENE | Female | She will increase | English |
| JOLIE | Female | Pretty | French |
| JON | Male | God is Gracious | Hebrew |
| JONAH | Male | A Dove | Hebrew |
| JONAS | Male | Accomplishing | Hebrew |
| JONATHAN | Male | Gift of God | Hebrew |
| JONATHON | Male | Gift of God | Hebrew |
| JONCO | Male | God is Gracious | Slavic |
| JONNY | Male | From the name JOHN | Hebrew |
| JORAH | Female | Autumn Rose | Hebrew |
| JORDAN | Both | Descendant | Hebrew |
| JORDANA | Female | Descending | Hebrew |
| JORDANE | Female | Descendant | French |
| JORGE | Male | From the name GEORGE | Spanish |
| JORJANNA | Female | Lovable country child | American |
| JORN | Male | Vigilant Watchman | German |
| JORRYN | Both | The one God loves | American |
| JORY | Both | Descending | American |
| JOSE | Male | From the name JOSEPH | Spanish |
| JOSEF | Male | God will Increase | Hebrew |
| JOSEPH | Male | God will Increase | Hebrew |
| JOSEPHINE | Female | God will increase | French |
| JOSH | Male | God Saves | Hebrew |
| JOSHUA | Male | Jehovah Saves | Hebrew |
| JOSHWA | Male | God Saves | Hebrew |
| JOSIAH | Male | God has healed | Hebrew |
| JOSIE | Female | God Will Add | American |
| JOSUE | Male | Form of JOSHUA | Spanish |
| JOVAN | Male | Majestic | Latin |
| JOVANNA | Female | Majestic | Latin |
| JOVIANNE | Female | Majestic | Latin |
| JOVITA | Female | Happy | Latin |
| JOY | Female | Joy | Latin |
| JOYCE | Female | Merry | Latin |
| JOYLYN | Female | Joyful One | American |
| JUAN | Male | From the name JOHN | Spanish |
| JUANA | Female | God is beneficent | Hebrew |
| JUANDALYNN | Female | FROM GWENDOLYN | Spanish |
| JUANITA | Female | Consecrated to God | Spanish |
| JUBAL | Male | Ram | Hebrew |
| JUD | Male | Praised | Hebrew |
| JUDAH | Male | Praised | Hebrew |
| JUDD | Male | Praised | Hebrew |
| JUDE | Both | One who is praised | Hebrew |
| JUDITH | Female | From Judah | Hebrew |
| JUDSON | Male | Son of Jud | English |
| JUDY | Female | From Judah | Hebrew |
| JUI | Female | Flower | Hindi |
| JUIN | Both | Month of June | French |
| JUJI | Female | Heap of Love | African |
| JULES | Both | Youthful | French |
| JULIA | Female | Soft-haired, youthful | Latin |
| JULIAN | Male | Youthful | Greek |
| JULIANA | Female | Soft-haired | Spanish |
| JULIANNA | Female | From the name JULIA & ANNE | Slavic |
| JULIANNE | Female | From the name JULIA & ANNE | English |
| JULIE | Female | Soft-haired, youthful | Latin |
| JULIET | Female | Soft-haired | French |
| JULIETTE | Female | Soft Haired | French |
| JULINKA | Female | Youthful | Hungarian |
| JULIO | Male | Form of JULIAN | Spanish |
| JULISHA | Female | To Make Known | African |
| JULIUS | Male | Youthful | Greek |
| JULY | Female | From the name JULIA | Latin |
| JUMOKE | Both | Loved by everyone | African |
| JUN | Male | Handsome | Chinese |
| JUNE | Female | Born in June | Latin |
| JUNIOR | Male | The Young, Child | English |
| JUNIPER | Female | Juniper Berry | Latin |
| JUNIUS | Male | Youthful | Latin |
| JUNO | Both | Goddess of Marriage & Childbirth | Greek |
| JUSTICE | Both | Fairness | American |
| JUSTIN | Male | Just or True | French |
| JUSTINE | Female | Fairness | Latin |
| JUSTIS | Both | Fair minded | American |
| JUSTISE | Female | Just | Latin |
| JUSTUS | Male | Fairness, Justice | American |
| JYOTIKA | Female | Light, Flame | Hindi |