title: USAR
text: USAR or U.S.A.R. may refer to:
  
   United Speed Alliance Racing (now Rev-Oil Pro Cup Series), a car racing series in the United States
   United States Army Rangers, the elite light infantry of the United States Army
   United States Army Reserve, the reserve component forces of the United States Army
   University School of Automation & Robotics, Guru Gobind Singh Indraprastha University, Delhi, India
   Urban search and rescue, rescue operations inside structures or other confined spaces
   USA Rugby, the governing body of rugby union in the United States