Cowles may refer to:
Surname Alfred Cowles Sr. (1832–1889), publisher Chicago, spouse Sarah Hutchinson Alfred Cowles Jr. (1865–1929) publisher, businessman and lawyer Alfred Cowles (III) (1891–1984) businessman and economist Anna Roosevelt Cowles (Bamie) (1855–1931), sister of Theodore Roosevelt, aunt of Eleanor Roosevelt Betsy Mix Cowles (1810–1876), feminist and educator, Ohio Edwin Cowles (1825–1890), publisher Cleveland, spouse Elizabeth Hutchinson Eunice Caldwell Cowles (1811–1903), American educator Fleur Cowles (1908–2009), artist Gardner Cowles Sr. (1861–1946), banker, publisher and politician Gardner Cowles Jr. (Mike) (1903–1985), publisher George A. Cowles, an American ranching pioneer Henry Chandler Cowles (1869–1939), botanist and ecological pioneer Ione Virginia Hill Cowles (1858–1940), American clubwoman, social leader John Cowles Sr. (1898–1983), publisher John Cowles Jr. (1929–2012), publisher and philanthropist
Louisa F. Cowles (1842–1924), educator Osborne Cowles, college basketball coach at the University of Minnesota and University of Michigan Paul Cowles, a member of the Committee of Fifty (1906) Raymond B. Cowles (1896–1975), American herpetologist Robert Cowles, politician and member of the Wisconsin State Senate Shirley Cowles (1940–2020), New Zealand cricketer Trenton Cowles (born 2002), American archer Virginia Cowles (1910–1983), American journalist William H. H. Cowles (1840–1901), U.S. politician William S. Cowles (1846–1923), admiral
Place names Cowles, Nebraska, a village located in Webster County, Nebraska Cowles Mountain, a hill within the city limits of San Diego, California
Other Cowles Center for Dance and the Performing Arts Cowles Conservatory in the Minneapolis Sculpture Garden Cowles Foundation (Cowles Commission for Research in Economics) Cowles House (disambiguation), various places Cowles Electric Smelting and Aluminum Company, Lockport, New York USA and Cowles Syndicate Company, Staffordshire, England Cowles Syndicate, see King Features Syndicate Cowles Media Company, Minneapolis, Minnesota, and Des Moines, Iowa, USA Cowles Company, Spokane, Washington, USA Cowles Stadium, Christchurch, New Zealand