CTW
CTW may refer to:

Arts and entertainment 
 Children's Television Workshop, an American educational non-profit (now Sesame Workshop)
 Crypt The Warchild (born 1980), American rapper
 West TV (callsign: CTW-32), an Australian television station (2010–2020)

Data science 
 Computer Technology Workshop activity at the Joint Statistical Meetings
 Context tree weighting, a lossless compression and prediction algorithm

Other uses 
 Carat (mass) total weight, related to diamond jewellery
 CentralWorld, a shopping mall complex in Thailand
 Change to Win Federation, the former name of the Strategic Organizing Center, a group of United States labor unions