Usak

Usak or USAK may refer to:

Places

 * Usak, Bhutan
 * Ušak, Serbia
 * Uşak Province, Turkey
 * Uşak, its capital
 * Uşak (electoral district)

Other uses

 * Orkun Uşak (born 1980), Turkish footballer
 * International Strategic Research Organization (Uluslararası Stratejik Arastirmalar Kurumu), a Turkish think tank