USR

USR may refer to:


 * USRobotics, a technology firm
 * USR (Guadeloupe football club), in Sainte-Rose, Guadeloupe
 * U.S. Robots and Mechanical Men, a fictional robot manufacturer
 * /usr, directory in Unix systems, see Filesystem Hierarchy Standard
 * A variant of the Steyr AUG, assault rifle
 * Save Romania Union, a Romanian political party
 * Union of Serbs of Romania, a Romanian political party
 * USR (BASIC) ("User Serviceable Routine"), a common BASIC instruction to execute native machine code
 * Upward Sun River site, archaeological site in Alaska
 * Uxbridge and South Ruislip, a parliamentary constituency in the United Kingdom
 * Unión Santafesina de Rugby, body that rules the game of rugby union in Santa Fe, Argentina