Brixton is an area of South London, part of the London Borough of Lambeth, England. The area is identified in the London Plan as one of 35 major centres in Greater London. Brixton experienced a rapid rise in population during the 19th century as communications with central London improved.

Brixton is mainly residential, though includes Brixton Market and a substantial retail sector. It is a multi-ethnic community, with a large percentage of its population of Afro-Caribbean descent. It lies within Inner London and is bordered by Stockwell, Clapham, Streatham, Camberwell, Tulse Hill, Balham and Herne Hill. The district houses the main offices of Lambeth London Borough Council.

Brixton is 2.7 mi (4.3 km) south-southeast from the geographical centre of London (measuring to a point near Brixton Underground station on the Victoria line).