| Official Name: | Leigh South (ward) |
| Settlement Type: | Electoral ward |
| Motto: | Progress with Unity |
| Coordinates: | 53.4858°N -2.5097°W |
| Subdivision Type: | Country |
| Subdivision Name: | United Kingdom |
| Subdivision Type1: | Constituent country |
| Subdivision Name1: | England |
| Subdivision Type2: | Region |
| Subdivision Name2: | North West England |
| Subdivision Type3: | County |
| Subdivision Name3: | Greater Manchester |
| Subdivision Type4: | Metropolitan borough |
| Subdivision Name4: | Wigan |
| Established Title: | Created |
| Established Date: | May 2004 |
| Government Type: | Unicameral |
| Governing Body: | Wigan Metropolitan Borough Council |
| Leader Title1: | Mayor of Wigan |
| Leader Name1: | Sue Greensmith (Labour) |
| Leader Title2: | Councillor |
| Leader Name2: | Kevin Anderson (Labour) |
| Leader Title3: | Councillor |
| Leader Name3: | John O'Brien (Labour) |
| Leader Title4: | Councillor |
| Leader Name4: | Charles Rigby (Labour) |
| Population Total: | 14,379[1] |
Leigh South is an electoral ward in Leigh, England. It forms part of Wigan Metropolitan Borough Council, as well as the parliamentary constituency of Leigh.
The ward is represented by three councillors: Kevin Anderson (Lab), John O'Brien (Lab), and Charles Rigby (Lab).[2]