Mount Pearl South is a defunct provincial electoral district for the House of Assembly of Newfoundland and Labrador, Canada.

[1] The district was created in 1975 and was a Tory stronghold for two decades, with Progressive Conservative Neil Windsor holding the seat from 1975 to 1995.

The seat went Liberal in 1996 when Brian Tobin won a large majority government, but returned to the Progressive Conservatives, under Dave Denine, in 2003 when the party swept back to power.

The 2011 Election was contested between Progressive Conservative nominee Paul Lane, a Mount Pearl city councillor, New Democrat John Riche, a Real Estate Agent and Liberal Norm Snelgrove, a civic administrator.

Paul Lane won the 2011 contest by 700 votes on October 11, 2011 and remained the district's MHA until its dissolution.