From Wikipedia, the free encyclopedia
This list contains
acronyms ,
initialisms , and pseudo-blends that begin with the letter U .
For the purposes of this list:
acronym = an
abbreviation pronounced as if it were a word, e.g., SARS =
severe acute respiratory syndrome , pronounced to rhyme with cars
initialism = an abbreviation pronounced wholly or partly using the names of its constituent letters, e.g., CD =
compact disc , pronounced cee dee
pseudo-blend = an abbreviation whose extra or omitted letters mean that it cannot stand as a true acronym, initialism, or
portmanteau (a word formed by combining two or more words).
(a) = acronym, e.g.: SARS – (a) severe acute respiratory syndrome
(i) = initialism, e.g.: CD – (i) compact disc
(p) = pseudo-blend, e.g.: UNIFEM – (p)
United Nations Development Fund for Women
(s) = symbol (none of the above, representing and pronounced as something else; for example: MHz –
megahertz )
Some terms are spoken as either acronym or initialism, e.g.,
VoIP , pronounced both as voyp and V-O-I-P .
(Main list of acronyms)
UA
UB
UC
UD
UE
UF
UG
UH
UI
UJ
UK
UL
UL – (i)
Underwriters Laboratories
ULEB – (a) Union des ligues européens de basket-ball , French for "Union of European Basketball Leagues"
ULF – (i)
Ultra Low Frequency
ULOF – unprotected loss of flow (nuclear accident)
ULOHS – unprotected loss of heat sink (nuclear accident)
UTOP – unprotected transient overpower (nuclear accident)
UM
UN
UP
UR
US
US – (i) United States (also (s) ISO 3166 and FIPS 10-4 country code digram)
USA
USAF – (i)
United States Air Force
USAFSPC – (i)
U.S. Air Force Space Command
USAACE – (p)
United States Army Aviation Center of Excellence , Fort Rucker, Alabama
USAADAC – (i)
United States Army Air Defense Artillery School , Fort Sill, Oklahoma
USAAS – (p)
United States Army Armor School , Ft. Benning, Georgia
USAIC
USAID – (a/i)
United States Agency for International Development
USAP
USAPATRIOT – (i)
Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism
USAREUR – (p)
United States Army Europe
USB – (i)
Universal Serial Bus
USC
USCG – (i)
United States Coast Guard
USCINCSPACE – (p) United States Commander in Chief,
Space Command
USD
USD(A&S) – (i)
Under Secretary of Defense for Acquisition and Sustainment
ASD(R&E)
Under Secretary of Defense for Research and Engineering
USD(C) – (i) (U.S.)
Under Secretary of Defense (Comptroller)
USDA – (i)
United States Department of Agriculture
USDI – (i)
United States Department of the Interior
USDOE – (i)
United States Department of Energy
USD(I) –
Under Secretary of Defense for Intelligence
USDPR – (i) (U.S.)
Under Secretary of Defense for Personnel and Readiness
USDP – (i) (U.S.)
Under Secretary of Defense for Policy
USDRE – (i) (U.S.)
Under Secretary of Defense for Research and Engineering
USEC – (a)
United States Enrichment Corporation
USFL – (i) United States Football League, two different leagues of American football, one
operating from 1983–1985 and the second having
started play in 2022
USFWS – (i)
United States Fish and Wildlife Service
USGS – (i)
United States Geological Survey
USIA – (i)
United States Information Agency
USJFCOM – (p)
United States Joint Forces Command
USL
(i)
United Soccer League (formerly United Soccer Leagues ), a governing body for several lower-level leagues in the United States
United Soccer League, the former name of a league operated by the above organization that now plays at the second U.S. level as the
USL Championship
United Soccer League, a completely different soccer league that
operated in 1984 and 1985
University of Southwestern Louisiana, a former name for the school now known as the
University of Louisiana at Lafayette
USLC – (i)
USL Championship
USLS – (i)
USL Super League (women's soccer league starting play in 2024)
USLW
(i)
USL W-League , a women's soccer league operated by the United Soccer League organization from 1995 to 2015
USL W League , another women's league operated by the same organization that started play in 2022
USMC – (i)
United States Marine Corps
USMLE – (i)
United States Medical Licensing Examination
USMNT – (i)
United States men's national (soccer) team
USN – (i)
United States Navy
USNA – (i)
United States National Arboretum –
United States Naval Academy
USNB – (i)
United States Naval Base
USNG – (i)
United States National Grid
USNH – (i)
United States Naval Hospital
USNI – (i)
United States Naval Institute
USNO – (i)
U.S. Naval Observatory
USNOFS – (i)
United States Naval Observatory Flagstaff Station
USNP – (i)
United States Newspaper Program
USNR – (i)
United States Navy Reserve
USNS – (i)
United States Naval Ship
USNY – (a)
University of the State of New York (usually pronounced "use-knee")
USNZ – (i)
University Sport New Zealand
USP – (i)
Unique Selling Point
USPS – (i)
United States Postal Service
USPTO – (i)
United States Patent and Trademark Office
USR
USS – (i) United States ship (sometimes meaningless, see
Star Trek )
USSPACECOM – (p)
United States Space Command
USSR – (i)
Union of Soviet Socialist Republics
UST – (i)
Underground Storage Tank
USTRANSCOM – (p)
United States Transportation Command
USWNT – (i)
United States women's national (soccer) team
UT
UU
UV
UW
UX
UY
UZ