u American Civil War American English American Revolutionary War American football Economy of the United States Education in the United States Federal Bureau of Investigation Federal Reserve System Guam History of the United States Invasion of Grenada John F. Kennedy Parliament of the United Kingdom Pound sterling President of the United States Prime Minister of the United Kingdom Southern United States Soviet Union Speaker of the United States House of Representatives Supreme Court of the United States U.S. Open (golf) U.S. Route 66 US Open (tennis) Ulysses S. Grant United Arab Emirates United Kingdom United Nations United Nations General Assembly United Nations Security Council United States United States Bill of Rights United States Congress United States Constitution United States House of Representatives United States Numbered Highways United States Senate United States Virgin Islands United States dollar War in Afghanistan (2001–present)
u$d United States dollar
u$s United States dollar
u2 U2
u©s© War in Afghanistan (2001–present)
υ Upsilon Andromedae
ύ Greek alphabet
اُردُو Urdu