Chugai Pharmaceutical Co., Ltd. (中外製薬株式会社, Chūgai Seiyaku kabushiki gaisha) is a drug manufacturer operating in Japan.

It is a subsidiary controlled by Hoffmann-La Roche, which owns 62% of the company as of 30 June 2014.

Osamu Nagayama is the current representative director and chairman.

Tatsuro Kosaka is the current representative director, president and CEO.

This article about a Japanese corporation- or company-related topic is a stub.