Allergan
- Country: United States
- Type: Commercial
- Website: www.allergan.com
- Update: 05-02
Allergan (Allergan; also translated: Allergan) the famous American multinational medical company, founded in 1950, headquartered in Irvine, California, is committed to the development and marketing of drugs and medical devices in the fields of ophthalmology, neurology and other areas, and is ranked No. 753 on Forbes' 2014 Global 2000 list of the world's largest companies.