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
This disambiguation page lists articles associated with the title USAR.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: