Cottrell is a surname. Notable people with the surname include:
Alan Cottrell, a British metallurgist and physicist
Anthony Cottrell, one of the investors in the Port Phillip Association
Chris Cottrell, an American entrepreneur
Con Cottrell, an Irish sportsperson
Erin Cottrell (born 1975), American actress
Frederick Gardner Cottrell, an American inventor and physical chemist
Graham Cottrell (born 1945), English cricketer and teacher
James La Fayette Cottrell, an American politician from Alabama
Jim Cottrell, an American football linebacker
Lance Cottrell, founder of Anonymizer, Inc. and the designer of the Mixmaster Protocol
Leonard Cottrell, a British writer and archaeologist
Louis Cottrell, Sr. (1878–1927), noted jazz drummer
Louis Cottrell, Jr. (1911–1978), noted jazz reedist
Myron Cottrell, the founder and owner of TPI Specialties
Peter Cottrell, British historian and novelist
Porter Cottrell, an American professional bodybuilder
Raymond Cottrell, a Seventh-day Adventist theologian
Robert Cottrell (1815–1880), coachbuilder and politician in South Australia
Stephen Cottrell, Bishop of Reading
T. J. Cottrell, an American football player
Ted Cottrell, a defensive coordinator for the San Diego Chargers
Thomas Cottrell, a Canadian politician from New Brunswick
William Cottrell, a convicted arsonist
Frank Cottrell Boyce, British screenwriter and novelist
Ann Cottrell Free, an American journalist
