Ja
Jabal, Jabba, Jabbar, Jabber, Jabbo, Jabo, Jabot, Jaca, Jacalyn, Jacanz, Jacc, Jacco, Jace, Jacina, Jacint, Jacinth, Jacinto, Jack, Jackal, Jackaroo, Jackdandy, Jackelyn, Jacker, Jackhammer, Jacki, Jackie, Jackli, Jacknife, Jacko, Jackoby, Jackpile, Jackpo, Jackpot, Jackrabbit, Jacks, Jackso, Jackson, Jacky, Jacmel, Jaco, Jacob, Jacobina, Jacquar, Jacquard, Jacque, Jacqueline, Jacquerie, Jacuzzi, Jada, Jade, Jaded, Jadeite, Jady, Jadzia, Jaeger, Jaen, Jaffa, Jaffe, Jag, Jaga, Jaggar, Jagger, Jaggo, Jago, Jagos, Jaguar, Jahn, Jahsra, Jai, Jaika, Jailba, Jailbait, Jailbird, Jaime, Jaja, Jak, Jaka, Jakart, Jake, Jakhar, Jakko, Jako, Jakob, Jakoba, Jakoby, Jakov, Jala, Jalape, Jalapeno, Jalco, Jalett, Jali, Jalk, Jalka, Jalla, Jalon, Jalopy, Jalta, Jam, Jama, Jamaic, Jamaica, Jamaik, Jamal, Jamba, Jambalaya, Jambo, Jambo-, Jamboree, Jamee, Jameel, Jameik, Jamel, James, Jameso, Jameson, Jamie, Jamima, Jamina, Jamma, Jammie, Jammies, Jamocha, Jamshid, Jan, Jana, Janacek, Janca, Janco, Janda, Jando, Jane, Janeane, Janek, Janel, Janet, Janett, Jangle, Jangles, Jango, Jangos, Janice, Janičk, Janie, Janila, Janina, Janine, Janipurr, Janita, Janka, Jankan, Janke, Janker, Janko, Janky, Janna, Janne, Jannek, Janni, Jannings, Jannis, Janny, Jano, Janos, Janosc, Janov, Jansie, Janssen, Jantra, January, Janus, Jany, Jap, Japan, Japeta, Japheth, Japo, Jappo, Jara, Jarco, Jarda, Jareck, Jared, Jargo, Jargon, Jarhad, Jarhead, Jarko, Jarl, Jarno, Jaro, Jaromir, Jaron, Jarra, Jarrah, Jarreau, Jarred, Jarrell, Jarro, Jarros, Jarry, Jarvis, Jas, Jasamine, Jascha, Jaschi, Jascho, Jasco, Jasgo, Jaska, Jasko, Jasko-, Jaskya, Jasme, Jasmin, Jasmine, Jason, Jaspa, Jaspar, Jasper, Jaspurr, Jassid, Jasson, Jat, Jataka, Jaunt, Java, Javert, Javi, Javier, Jaws, Jay, Jaybird, Jayce, Jaycee, Jaymes, Jazel, Jazmine, Jazmyn, Jazpurr, Jazzy
Je
Jeanette, Jeannette, Jeannie, Jeaux, Jeb, Jecaro, Jeck, Jed, Jedda, Jeddah, Jedi, Jeebie, Jeep, Jeeves, Jeevesy, Jeff, Jefferson, Jeffery, Jeffik, Jeffrey, Jeffry, Jefra, Jefrette, Jekyll, Jellicle, Jellico, Jellifur, Jellison, Jello, Jelly, Jellybean, Jellylorum, Jemima, Jemimah, Jemma, Jen, Jena, Jenga, Jeni, Jenkins, Jenna, Jennet, Jennie, Jennifer, Jennifur, Jennifurr, Jennings, Jennipurr, Jenno, Jenny, Jeno, Jensen, Jenufa, Jeoffrey, Jeoffry, Jeopardy, Jeramiah, Jerboa, Jeremia, Jeremiah, Jeremy, Jericho, Jeris, Jerky, Jermaine, Jerold, Jerome, Jeromes, Jeronimo, Jerrie, Jerry, Jersey, Jerubbaal, Jerusalem, Jerzey, Jerzy, Jesina, Jespa, Jespah, Jess, Jessabunny, Jessakitty, Jesse, Jessel, Jesser, Jessi, Jessica, Jessie, Jessup, Jessy, Jester, Jesuit, Jet, Jeth, Jethro, Jetstream, Jetsum, Jett, Jetta, Jetty, Jewel, Jewels, Jezabel, Jezebel, Jezi, Jezzybell
Ji
Jib, Jicko, Jiffa, Jiffy, Jig, Jigger, Jigs, Jigsaw, Jill, Jilley, Jillian, Jillie, Jilly, Jim, Jimmie, Jimmy, Jing, Jingle, Jingles, Jingo, Jinja, Jinjee, Jinker, Jinsen, Jinx, Jinxy, Jip, Jippy, Jipsee, Jiskra, Jissy, Jitterbug, Jitters, Jives
Jo
Jo, Joanie, Jobber, Jocasta, Jocelyn, Jock, Jockey, Jodi, Jodie, Jody, Joe, Joel, Joeline, Joelle, Joely, Joey, Johny, Joi, Joie, Jojo, Jojoba, Joker, Jokester, Joko, Jolie, Joliet, Jolly, Jolson, Jon, Jona, Jonah, Jonáš, Jonatá, Jonathan, Jonathon, Jones, Jonescat, Jonesie, Jong, Jonie, Jonny, Jonquil, Jonsie, Joomper, Joon, Joplin, Joppy, Jordache, Jordan, Jordana, Jordi, Jordie, Jordon, Jordy, Jorel, Jorge, Jorgensen, Jorgie, Joris, Jorje, Jose, Josefina, Joseph, Josephine, Josette, Josey, Joshia, Joshua, Josie, Joslyn, Josphina, Joss, Josy, Josylen, Jotunheimen, Jovan, Jove, Jovi, Jovian, Jovie, Jowls, Joy, Joyce, Joyful, Joyride
Ju
Juan, Juanita, Jubilation, Jubilee, Judah, Judas, Judd, Judge, Judith, Judo, Judy, Juggernaut, Jughead, Juice, Juicer, Juilee, Juilet, Juilliard, Juju, Jujube, Jujutsu, Juke, Jukebox, Julep, Jules, Julia, Julian, Juliana, Julie, Juliet, Juliette, Julio, Julius, Julka, July, Jumal, Jumanji, Jumbo, Jumper, Junco, June, Juneau, Junebug, Jung, Juninho, Junior, Juno, Jupiter, Jura, Jurassic, Jurgen, Jurgensen, Juror, Jury, Justin, Justina, Justine, Justus, Justy