Idonah \i-do-nah\ as a girl's name is a variant of Idona (German). See for meaning of Idonah.

The baby name Idonah sounds like Adinah, Ednah, Eddnah, Idina, Iduna, Idonna, Idonie, Idonea, Idone and Idonia. Other similar baby names are Inah, Ilona, Ioanah, Iona, Sedonah and Sydonah.