Eidos Interactive is a publisher of video and computer games based in Great Britain. Its most well-known game series include Tomb Raider, Commandos, Deus Ex and Thief.

Founded in 1990 as a company specialising in video compression, Eidos began moving into games in 1995 with the acquisition of Domark.

The company maintains offices all around the world, including the United States, Germany, France, Australia and Japan.