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

The baby name Effi sounds like Effy and Efua. Other similar baby names are Elfie, Elli, Daffi, Edi, Eddi, Eli, Emmi, Etti, Effam, Fifi, Zofi and Saffi.