Usk is a Welsh town.

Usk or USK may also refer to:

Places In Wales River Usk Usk Castle Usk Reservoir Usk Hundred, an ancient administrative division HM Prison Usk

Elsewhere Usk, British Columbia, Canada, a hamlet Usk, County Kildare, Ireland, a civil parish Usk, Washington, United States, an unincorporated community Una-Sana Canton (Unsko-sanski kanton), a canton of the Federation of Bosnia and Herzegovina

Transportation Usk railway station (Great Western Railway), Monmouthshire, Wales Usk station (British Columbia), Canada Usinsk Airport (IATA: USK), in northern Russia

Military Battle of Pwll Melyn or Battle of Usk in 1405, part of the Welsh War of Independence , several Royal Navy vessels US-K, a series of Russian, previously Soviet, military early warning satellites

Other uses Thomas Usk (died 1388), under-sheriff of London Unterhaltungssoftware Selbstkontrolle (USK), Germany's computer game rating agency University of Saint Katherine (USK), a now-defunct college in San Marcos, California

See also Uskside (disambiguation)