Syllabification Γιάν-να Gender feminine Γιάννα is a variant of Greek name Ιωάννα. Synaxis of Prophet Forerunner and Baptist John Feast day January 7 When is Γιάννα's name day? Γιάννα's Day is celebrated on January 7 in memory of Synaxis of Prophet Forerunner and Baptist John. Variantes et traductions Γιαννούλα (el) Transcriptions Gianna (la) Yanna (la) Yianna (la) Log in or register to post comments Be the first to rate this name Leave this field blank