Infogrames Entertainment SA (IESA) is an international holding company headquartered in Lyon, France. It owns controlling interest in Atari, Inc., headquartered in New York, N.Y., USA, and Atari Europe. It was founded in 1983 by Bruno Bonnell and Christophe Sapet in Lyon. Through its subsidiaries, Infogrames video game developer, video game publisher and distributes video game for all major video game consoles and computer game platforms.

Infogrames, Inc. was also the name of the official North American subsidiary of Infogrames Entertainment SA. It was founded in 1993 as GT Interactive, and purchased in 1999 by Infogrames. In 2001, Infogrames, Inc. purchased and absorbed Hasbro Interactive, which encompassed Microprose, Atari and Games.com. In 2003, Infogrames, Inc. officially changed its name to Atari, Inc.