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