English abbreviations from usr to ussd
- USR (Universal System Resources (/usr, directory in a *NIX filesystem), User)
- USRA (Universities Space Research Association)
- USRC (Underwater Search and Recovery Course)
- USRD (Universal Sensor Remoting Device)
- USREPMC (United States Representative to The Military Committee (NATO))
- USRF (Undergraduate Summer Research Fellowship)
- USRH (United Students in Residence Halls)
- USRI (United Street Rods of Idaho)
- USRM (Urban Subwatershed Restoration Manual)
- USRN (United Stations Radio Networks)
- USRP (Urban Streams Restoration Program)
- USRQ (United States Register Quarterly)
- USRR (University Senate Rules & Regulations)
- USRS (Undergraduate Summer Research Symposium)
- USRSA (United States Running Streak Association)
- USRT (Universal Standard Reversible Transducer)
- USRU (Underwater Search and Rescue Unit)
- USS (United States ship (sometimes meaningless; see Star Trek))
- USSA (United States Sportsmen's Alliance)
- USSAE (United States Sportsmen's Alliance Endowment)
- USSAF (United States Sportsmens Alliance Foundation)
- USSBS (United States Strategic Bombing Survey)
- USSC (United States Sign Council)
- USSD (Unstructured Supplementary Service Data)