Clowney is a Scottish and English surname. Notable people with the surname include: David Clowney (born 1985), American football wide receiver David Cortez Clowney (b. 1938), birth name of American pianist Dave "Baby" Cortez Edmund Clowney (1917–2005), American theologian, educator, and pastor Jadeveon Clowney (born 1993), American football linebacker William K. Clowney (1797–1851), American politician, U.S. Representative from South Carolina English-language surnames