Klingler is a surname. Notable people with the surname include:

Alfred Klingler (1912–?), German field handball player who competed in the 1936 Summer Olympics Baylee Klingler (born 1999), American softball player David Klingler (born 1969), American football player Gwen Klingler (born 1944), American politician Jimmy Klingler (born 1972), American football player Karl Klingler (1879–1971); German classical musician Werner Klingler (1903–1972), German film director and actor Eugene Klingler (1929-2025); German-American Minor League Baseball player for the San Francisco Seals, Korean War Veteran, and Daly City Fire Department Captain

See also Klinger, surname