USPSA

AcronymDefinition
USPSAUnited States Practical Shooting Association
USPSAUnited States Power Soccer Association (power soccer governing body; Carmel, IN; est. 2006)
USPSAUnited States Process Servers Association (St. Louis, MO)
USPSAUnited States Public Service Academy (Washington, DC)
USPSAUniversity of the South Pacific Student Association (various locations)