Cottrell is a surname. Notable people with the surname include:
Alan Cottrell, a British metallurgist and physicistAnthony Cottrell, one of the investors in the Port Phillip AssociationChris Cottrell, an American entrepreneurCon Cottrell, an Irish sportspersonErin Cottrell (born 1975), American actressFrederick Gardner Cottrell, an American inventor and physical chemistGraham Cottrell (born 1945), English cricketer and teacherJames La Fayette Cottrell, an American politician from AlabamaJim Cottrell, an American football linebackerLance Cottrell, founder of Anonymizer, Inc. and the designer of the Mixmaster ProtocolLeonard Cottrell, a British writer and archaeologistLouis Cottrell, Sr. (1878–1927), noted jazz drummerLouis Cottrell, Jr. (1911–1978), noted jazz reedistMyron Cottrell, the founder and owner of TPI SpecialtiesPeter Cottrell, British historian and novelistPorter Cottrell, an American professional bodybuilderRaymond Cottrell, a Seventh-day Adventist theologianRobert Cottrell (1815–1880), coachbuilder and politician in South AustraliaStephen Cottrell, Bishop of ReadingT. J. Cottrell, an American football playerTed Cottrell, a defensive coordinator for the San Diego ChargersThomas Cottrell, a Canadian politician from New BrunswickWilliam Cottrell, a convicted arsonistFrank Cottrell Boyce, British screenwriter and novelistAnn Cottrell Free, an American journalist