The Cardiff Demons RLFC name has been used multiple times over the years. Firstly for a now-defunct men's rugby league side who played out of St. Peters RFC in the east of Cardiff, Wales. They played in the Welsh Premier of the Rugby League Conference. Subsequently the Cardiff Demons name was resurrected in 2021 for a new women's rugby league team, set to compete in the inaugural season of the RFL Women's Super League South competition in June 2021.