Caston (surname)

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


 * Douglas Caston (1917–1996), Canadian newspaper publisher and politician
 * Geoffrey Caston (born 1926), Registrar of the University of Oxford
 * Leonard Caston (1917–1987), American blues musician
 * Leonard Caston Jr., rhythm and blues musician
 * Rodney Caston (born 1977), American systems engineer and writer
 * Toby Caston (1965–1994), American footballer