CSW may refer to:
Entertainment Central States Wrestling, an American wrestling promotion (1948–1989) Collins Scrabble Words, a word list for the board game Scrabble
Occupations Clinical social worker, a credential Commercial sex worker Communication Support Worker, to assist deaf students
Organisations Schools in the United States The Cambridge School of Weston, Massachusetts (founded 1886) Charter School of Wilmington, Delaware (founded 1996) College of the Southwest, Hobbs, New Mexico (so named 1962–2008)
Other organisations Central and South West Corporation, an American public utility (until 2000) Christian Solidarity Worldwide, a British human rights charity (founded 1977) Combinatie Sportclub Wilnis, a Dutch football club (formed 1946) United Nations Commission on the Status of Women, an intergovernmental advisory board (formed 1946)
Places
Cashew MRT station, Singapore Cheung Sha Wan, Hong Kong Cheung Sha Wan station
Science and technology Catalog Service for the Web, a geospatial XML standard Cerebral salt-wasting syndrome, a rare endocrine disorder Craig Steven Wright (born 1970), Australian computer scientist
Other uses Credit spread widening, in finance, a deterioration in credit quality Crew-served weapon, a type of military weapon system