Military
* War Training Service, formerly known as the Civilian Pilot Training Program * Women's Transport Service, part of the First Aid Nursing Yeomanry * , a museum collection of historical technological defence systemsPlaces
* Wall Township Speedway, a former speedway in Wall Township, New Jersey * Wong Tai Sin, Hong Kong ** Wong Tai Sin station, MTR station codeOther
* William Tecumseh Sherman, American Civil War general * Want to show, a frequently used phrase in mathematics * The Watchtower Society (aka Watch Tower Bible and Tract Society of Pennsylvania), the primary corporation for administration of Jehovah's Witnesses' activities worldwide * , a transport social network * Westminster Theological Seminary, a Christian graduate institution * WTS Group, an international consulting group with tax, legal and consulting business units * World Tour Soccer, a game released on the PS2 PSP and Xbox * ITU World Triathlon Series, the International Triathlon Union's annual series of triathlon events * Women's Transportation Seminar, a women's organization for transportation professionals; see