Oystermouth Cemetery (Welsh: Mynwentydd Ystumllwynarth) is a municipal cemetery in the village of Oystermouth, Swansea, South Wales. It was opened in 1883 and remains in use today, run by the Cemeteries and Crematorium Division of the City and County of Swansea. It has 14,162 grave spaces.
The cemetery contains the Commonwealth war graves of 83 service personnel, 28 from World War I and 55 from World War II.
The cemetery offers "woodland burial ground" as an alternative to traditional burial or cremation, the first of its kind in south-west Wales.
All eight members of the volunteer crew of the lifeboat RNLB Edward, Prince of Wales (ON 678), who lost their lives in the Mumbles lifeboat disaster on 23 April 1947 are interred at the cemetery. They are: