J
| Jaap | Java | Jip | Jorna |
| Jabo | Javo | Jippy | Jornada |
| Jaca | Jawa | Jipsi | Jorne |
| Jacco | Jaws | Jipsy | Jory |
| Jacinta | Jay | Jirma | Josca |
| Jack | Jaya | Jiska | Josch |
| Jackie | Jazz | Jive | Joscha |
| Jacklin | Jea | Jix | Joschie |
| Jacko | Jean | Jixy | Joschka |
| Jackpot | Jeanette | Jo | Joschua |
| Jackson | Jeanette | Joana | Jose |
| Jacky | Jeannie | Job | Josef |
| Jaco | Jeans | Jochem | Josefin |
| Jada | Jeany | Jock | Josephine |
| Jade | Jeck | Jocker | Josh |
| Jaffa | Jeckie | Jocko | Joshie |
| Jag | Jecky | Jocky | Joshua |
| Jagger | Jeff | Joda | Josie |
| Jaguar | Jeffrey | Jodie | Joska |
| Jahn | Jela | Jody | Joss |
| Jaika | Jella | Joe | Josy |
| Jaja | Jelle | Joekie | Joury |
| Jake | Jello | Joel | Jovia |
| Jako | Jemo | Joep | Joy |
| Jakob | Jena | Joepie | Joyce |
| Jalco | Jenie | Joeri | Jozka |
| Jama | Jenie | Joery | Juan |
| Jamba | Jeniffer | Joey | Jubel |
| Jambo | Jenka | Joga | Jud |
| Jambon | Jenna | John | Jude |
| James | Jenne | Johnas | Judge |
| Jameson | Jennie | Johnny | Judith |
| Jamie | Jenny | Jojo | Judo |
| Jamina | Jens | Joka | Judy |
| Jamy | Jenta | Joke | Juffer |
| Jan | Jeremy | Joker | Jul |
| Jana | Jeroen | Jokio | Jula |
| Janca | Jerome | Jokker | Jule |
| Janco | Jerro | Jol | Julia |
| Janda | Jerry | Jola | Julian |
| Jando | Jersey | Jolanda | Julie |
| Jane | Jeslie | Jolante | Juliet |
| Janet | Jeslie | Jolanthe | Juliette |
| Janette | Jesper | Joli | Julius |
| Janey | Jess | Jolina | Julka |
| Jango | Jessa | Joll | July |
| Janie | Jesse | Jolla | Juma |
| Janila | Jessica | Jolle | Jumba |
| Janina | Jessie | Jollie | Jumbo |
| Janine | Jessy | Jolly | Jumper |
| Janita | Jester | Jomas | Juna |
| Janka | Jet | Jon | June |
| Janna | Jeta | Jona | Junior |
| Janne | Jetske | Jonas | Juno |
| Janny | Jetta | Jonathan | Juny |
| Jano | Jette | Jonda | Jup |
| Janos | Jetty | Jonie | Jupiter |
| Janous | Jeva | Jonka | Juppa |
| Janske | Jewel | Jonna | Juppie |
| Janus | Jib | Jonny | Jura |
| Jany | Jilka | Joop | Juran |
| Jaques | Jilke | Joosje | Jurga |
| Jara | Jill | Jop | Juri |
| Jarco | Jillian | Joppe | Jurte |
| Jarno | Jilly | Joppie | Jury |
| Jaro | Jim | Joram | Juscha |
| Jaska | Jimbo | Joran | Juschka |
| Jasmin | Jimi | Jordan | Justa |
| Jasmin | Jimmi | Jordas | Justus |
| Jasmina | Jimmy | Jordi | Justy |
| Jasmine | Jina | Jordie | Juta |
| Jason | Jingle | Jordy | Jutta |
| Jaspar | Jingles | Jorg | Juultje |
| Jasper | Jingo | Jorina | Juwel |
| Jassa | Jinta | Joris | Jylka |
| Jassy | Jinty | Jork | |
| Jastin | Jinx | Jorka | |
| Jastra | Jiny | Jorky |