Dyo or DYO can be:

Dyo, commune in the Saône-et-Loire department in the region of Bourgogne in eastern France Dyo, an English singer Dyo Potamoi, a small village in the Nicosia District of Cyprus Ptisi Gia Dyo, album by Greek singer Mando Eimaste Dyo, Eimaste Treis, Eimaste Hilioi Dekatreis!, a song by Mikis Theodorakis