Effy \e(f)-fy\ as a girl's name is a variant of Effie (Greek) and Euphemia (Greek), and the meaning of Effy is "well-spoken".

The baby name Effy sounds like Effi, Efua, Evy, Evvy and Evey. Other similar baby names are Elvy, Emmy, Buffy, Daffy, Edy, Eddy, Effemy, Eily, Elly, Etty, Essy, Effam, Sofy, Taffy and Tiffy.