General election party political sign, vote Labour , Lymm Village, South Warrington, Cheshire, North West, England, Cheshire, WA4

Warrington South is a constituency represented in the House of Commons of the UK Parliament since 2017 by Faisal Rashid, a Labour Party politician. The seat is one of seven won (held or gained) by a Labour candidate in 2017 from a total of 11 in Cheshire. Rashid's 2017 win was one of 30 net gains of the Labour Party. The seat has been relative to others a marginal seat since 2001 as well as a swing seat as its winner's majority has not exceeded 7.5% of the vote since the 16.3% majority won in that year. The seat has changed hands twice since that year. 1983–1997: The Borough of Warrington wards of Appleton and Stretton, Booths Hill, Grappenhall and Thelwall, Great Sankey North, Great Sankey South, Heatley, Latchford, Lymm, Penketh and Cuerdley, Statham, Stockton Heath, and Walton and Westy, and the Borough of Halton wards of Daresbury and Norton. 1997–2010: The Borough of Warrington wards of Appleton, Stretton and Hatton, Grappenhall and Thelwall, Great Sankey North, Great Sankey South, Howley and Whitecross, Latchford, Lymm, Penketh and Cuerdley, Stockton Heath, and Walton and Westy. 2010–present: The Borough of Warrington wards of Appleton, Bewsey and Whitecross, Grappenhall and Thelwall, Great Sankey North, Great Sankey South, Hatton, Stretton and Walton, Latchford East, Latchford West, Lymm, Penketh and Cuerdley, Stockton Heath, and Whittle Hall.