Methuen may refer to:
- People
- Sir Algernon Methuen (1856–1924), founder of Methuen & Co. Ltd.
- Paul Methuen (disambiguation), various British politicians
- Places
- Methuen, Massachusetts, a U.S. city
- Other
- Baron Methuen, a British title of nobility
- Methuen Publishing, Methuen & Co. Ltd., a British publishing firm
- Methuen Treaty, a 1703 treaty on wine and textiles trade between Portugal and England