Janne (Finse)
Janis (Litouwse)
Janique
Jan (Nederlandse, Scandinavische, Slavische, Poolse)
Jantje (Nederlandse)
Janiek
Janoah
Janoa
Janniek
Janne, Janna, Jana, Janny, Jane, Jany, Jenn, Joann, Yann,, Eann, Jan, Jano, Janna, Janne, Jonn, Yann
Nann, Lanny, Lanna, Lana, Ann, Nanny, Nanni, Nana, Nan, Hanny, Hana, Nani, Ianna, Iana, Canna, Cain, Dana, Danna, Dane, Dany, Danny, Danni, Dani, Dawn, Deann, Diann, Danne, Jenna, Janie, Fanny, Fanni, Fan, Fawn, Faun, Gana, Jenny, Janine, Janina, Jena, Ji,, Dann, Janan, Mann, Vann, Zann