I know these:
God Jul (Swedish)
Срећан Божић [Srećan Božić] (Serbian)
Merry Christmas and a Happy New Year: Ia manuia le Kilisimasi ma le tausaga fou (Samoan)
joyeux noël (Français)
Fröhliche Weihnachten (deutsch)
Boldog Karácsonyt -> Merry Christmas (Hungarian)
Boldog Új Évet /BÚÉK/ ->happy new year (Hungarian)
Wesołych Świąt (Polish)
Sug min kuk (Swedish)
buon Natale e felice Anno Nuovo (merry Christmas and Happy New Year) : Italian
Feliz Natal e pròspero Ano Novo : portuguese
Rapariginha linda vem cá! (Guarani)