Pobol y Cwm (People of the Valley; Welsh pronunciation: [ˈpɔb.ɔl ə ˈkʊm]) is a Welsh-language soap opera produced by the BBC since October 1974. The longest-running television soap opera produced by the BBC, Pobol y Cwm was originally transmitted on BBC Cymru (now BBC One Wales) and later transferred to the Welsh-language station S4C when it opened in November 1982.The programme typically centres around the residents of Cwmderi – a fictional, Welsh speaking, agricultural community.

Apart from rugby and football specials, Pobol y Cwm is consistently one of the most watched programmes of the week on S4C, and in 1994 was briefly shown across the whole of the United Kingdom on BBC Two with English subtitles.On 25 September 2019, the soap hit a significant broadcasting landmark when it aired its 8,000th episode.