Ununseptium (Uus) is the former systematic name of a chemical element now named tennessine (Ts).
UUS or Uus may also refer to:
Ullevål University Hospital (), Oslo, Norway Yuzhno-Sakhalinsk Airport, Russia (IATA code) Investigation Bureau for Railway, Funicular and Boat Accidents (Unfalluntersuchungsstelle für Bahnen und Schiffe) Uus (comedian), Indonesian stand-up comedian