Leicester South is a constituency, recreated in 1974, represented in the House of Commons of the UK Parliament since 2011 by Jonathan Ashworth of the Labour Co-op Party. A previous version of the seat existed between 1918 and 1950. Except for a 2004 by-election when it was won by the Liberal Democrats, Leicester South has been held by the Labour Party since 1987.

Jonathan Michael Graham Ashworth is a British politician who has served as Shadow Paymaster General since September 2023. A member of the Labour and Co-operative parties, he has been the Member of Parliament (MP) for Leicester South since 2011.