Casson is a Native American tribe in central eastern California.
Casson may also refer to:
Casson, Loire-Atlantique, a commune in western France Irving and Casson, a firm of interior designers and furniture makers based in Boston, Massachusetts, U.S. Casson (name) Casson handle in mathematics Casson invariant in mathematics A. J. Casson Award given to an artist Diphwys Casson Quarry in Wales