HMS Uther (P62) was a Royal Navy U-class submarine built by Vickers-Armstrong. So far she has been the only ship of the Royal Navy to bear the name Uther after the father of King Arthur, Uther Pendragon.

Uther had a relatively quiet wartime career, serving on a number of uneventful patrols. She continued in service for another five years and was eventually sold for scrapping in February 1950, and broken up at Hayle in April 1950.