Peace River South is a provincial electoral district for the Legislative Assembly of British Columbia, Canada.

It was created under the name South Peace River by the Constitution Amendment Act, 1955, which split the old riding of Peace River into northern and southern portions for the 1956 BC election.

As of the 2020 provincial election, Peace River South comprises the southern portion of the Peace River Regional District, located in eastern British Columbia.

Communities in the electoral district consist of Dawson Creek, Chetwynd, Tumbler Ridge and Pouce Coupe.

[1] This riding has elected the following members of the Legislative Assembly: Its current member of the Legislative Assembly (MLA) is Larry Neufeld.