Callias was the head of a wealthy Athenian family.

Callias may also refer to: Callias (poet) (5th century BC), poet of the Old Comedy Callias (son of Calliades) (c. 470–432 BC), son of Calliades, who died in the battle of Potidaea Callias III (4th century BC), Athenian dilettante Callias of Chalcis (4th century BC), Greek ruler