 | United States Navy This is the emblem of the United States Navy |
 | Universal Naturist Symbol In 2020 the Universal Naturist Symbol was chosen by and for naturists and nudists to recognize each other when wearing clothes. |
 | Universal Quantification This represents "for all" (or better "for each") or "given any". |
 | Universal Recycling Symbol The universal recycling symbol (U+2672 ♲ universal recycling symbol or U+267B ♻ black universal recycling symbol in Unicode) is an internationally recognized symbol used to designate recyclable mater… |
 | Universal set The set that contains all possible values. |
 | University University |
 | Un\Uni (Asomtavruli script) The letter "U" as rendered in the Georgian alphabet. |
 | un\uni (Mkhedruli script) The letter "u" as rendered in the Georgian alphabet. |
 | Upcycle Better than recycling for everyone |
 | Uppsala Discovered near a cathedral in Uppsala, Sweden, this marking has been interpreted two different ways. |
 | Upsilon Upsilon is the 20th letter of the Greek alphabet. In the system of Greek numerals, Υʹ has a value of 400. It is derived from the Phoenician waw Phoenician waw.svg. |
 | Ur (rune), Uruz aurochs |
 | Uraeus The Uraeus (/jʊˈriəs/; plural Uraei or Uraeuses; from the Greek οὐραῖος, ouraīos, "on its tail"; from Egyptian jʿr.t (iaret), "rearing cobra") is the stylized, upright form of an Egyptian cobra (asp,… |
 | Uranus Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune, and both are o… |
 | Ursa Major (Constellation) This symbol symbolizes the Constellation Ursa Major. |
 | Ursa Minor (Constellation) This symbol symbolizes the Constellation Ursa Minor. |
 | Uruguay (Apple iOS 10.3) Flag for Uruguay |
 | USA (Southeast) A rock carving discovered in the southeastern area of the United States. No contextual information known at this time. |
 | USA (Southwest) A rock carving discovered in the southwestern area of the United States. No contextual information known at this time. |
 | USB Logo USB icon found on all USB devices and plugs |
 | UTA logo University of Texas at Arlington logo |
 | Utah Hockey Club Logo Jazz owner Ryan Smith assumed ownership of the now defunct Arizona Coyotes franchise and the team relocated to Salt Lake City to play their inaugural season in the NHL, in 2024-25, as a new expansion… |
 | Utah Jazz Logo Since the team's move from New Orleans to Salt Lake City in 1979, the Utah Jazz have worn several uniforms throughout their franchise history. From 1979 to 1996, the Jazz' home uniforms consisted of … |
 | Utopians Symbol used in Criminal case game. |
 | uu (Bengali script) |
