Janne (Finse)
Janis (Litouwse)
Janique
Jan (Nederlandse, Scandinavische, Slavische, Poolse)
Jantje (Nederlandse)
Janiek
Janoah
Janniek
Janoa
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