| Fairfield | |
| Constituency Type: | electoral ward |
| Parl Name: | Wandsworth London Borough Council |
| District Label: | Borough |
| District: | Wandsworth |
| Region: | Greater London |
| Region Label: | County |
| Year: | 1965 |
| Abolished: | 2022 |
| Members Label: | Councillors |
| Electorate: | 11,038 (2018) |
| Blank1 Name: | ONS code |
| Blank1 Info: | 00BJGD |
| Blank2 Name: | GSS code |
| Blank2 Info: | E05000614 |
Fairfield was one of the most central wards in the London Borough of Wandsworth, London from 1965 to 2022.
Fairfield contains mostly Wandsworth Town and a large neighbourhood in Battersea. Fairfield contains Wandsworth High Street, Old York Road and the council buildings themselves. The ward forms a cross shape, running from Mexfield Road on the edge of Putney in the west, to Plough Road near Clapham Junction in the east, and from the River Thames to the west of Wandsworth Bridge in the north, to Allfarthing Lane to the east of Garratt Lane in the south.
The ward has a young demographic, with 62% of the population between the ages of 20 and 44. 52% of the population is female.