CWTS

CWTS may refer to:


 * NASCAR Camping World Truck Series, a pickup truck racing series in the United States
 * Civic Welfare Training Service, a component of the National Service Training Program of the Philippines
 * CWTS Leiden Ranking, an annual global university ranking
 * Centre for Science and Technology Studies (CWTS), a research center located at Leiden University in the Netherlands
 * Cold Weather Testing Station, a stage in the development of the Canadian turbojet Avro Canada Chinook
 * China Wireless Telecommunication Standards working Group (CWTS), part of the Standardization Administration of China
 * Civil War Token Society, an organization involved in collecting Exonumia
 * Christian Workers Training School, a precursor to Bacolod Christian College of Negros in the Philippines