Ameinias (sometimes spelled Amynias) () is an ancient Greek name which may refer to:
Ameinias (mythology), a companion and suitor of Narcissus Ameinias of Athens or Ameinias of Pallene (5th century BC), a Greek trireme commander in the Battle of Salamis, and younger brother of the playwright Aeschylus Ameinias (philosopher) (5th century BC), a Greek philosopher, son of a Pythagorean father named Diochaites and teacher of Parmenides of Elea Amynias (also spelled Ameinias) (5th century BC), in 423 BC Eponymous archon in the city of Athens Ameinias of Iasus in Caria (4th century BC), the father of Diodorus Cronus Ameinias the Phocian (3rd century BC), a Greek "pirate king" and mercenary leader in the service of Antigonus II Gonatas of Macedon