Enterbrain (エンターブレイン), formerly Enterbrain, Inc. (株式会社エンターブレイン, Kabushiki Gaisha Entāburein), is a Japanese publisher and division of Kadokawa Future Publishing founded on January 30, 1987, as ASCII Film Co., Ltd. (アスキー映画株式会社, Asukī Eiga Kabushiki-gaisha). Magazines published by Enterbrain are generally focused on video games and computer entertainment as well as video game and strategy guides. In addition, the company publishes a small selection of anime artbooks. Enterbrain is based in Tokyo, Japan, with a paid-in capital of 410 million yen. Enterbrain's current president is Hirokazu Hamamura.

Enterbrain releases light novels under their Famitsu Bunko imprint, which was established in 1998 and is aimed at young adult males. They also publish B's-LOG Bunko and B's-LOG Bunko Alice imprint focusing on girls and KCG Bunko focused on teens.

Enterbrain also publishes stand-alone series without any imprint such as Yōjo Senki or Overlord.

Busou Chuugakusei: Basket Army (2012) – short anime and audio drama. Busou Chuugakusei is the first venture in Enterbrain's XXolution project, a multimedia initiative that will span manga, novels, anime, illustrations, scripts, music, and other fields.