Tottenham (/ˈtɒtənəm/, TOT-ən-əm, /tɒtnəm/, tot-nəm) is a district in north London, England, within the London Borough of Haringey. It is located in the ceremonial county of Greater London. Tottenham is centred 6 mi (10 km) north-northeast of Charing Cross, bordering Edmonton to the north, Walthamstow, across the River Lea, to the east, and Stamford Hill to the south, with Wood Green and Harringay to the west.

The area rapidly expanded in the late 19th century, becoming a working-class suburb of London following the advent of the railway and mass development of housing for the lower-middle and working classes. It has been home to the Premier League football club Tottenham Hotspur since 1882. The parish of Tottenham was granted urban district status in 1894 and municipal borough status in 1934. Following the Second World War, the area saw large-scale development of council housing, including tower blocks. Until 1965 Tottenham was in the historic county of Middlesex. In 1965, the borough of Tottenham merged with the municipal boroughs of Hornsey and Wood Green to form the London Borough of Haringey.

Tottenham is renowned for its multicultural, ethnically diverse population. Following an influx of an Afro-Caribbean population during the Windrush era in the mid-20th century, it became one of the most ethnically diverse areas in Britain. It has more recently become home to an increased population from Africa, Asia, South America and Eastern Europe. At the 2011 census, the population of Tottenham was 129,237.

Tottenham is believed to have been named after Tota, a farmer, whose hamlet was mentioned in the Domesday Book. 'Tota's hamlet', it is thought, developed into 'Tottenham'. The settlement was recorded in the Domesday Book as Toteham, in the ancient hundred of Edmonton. It is not related to Tottenham Court Road in Central London, though the two names share a similar-sounding root.

There has been a settlement at Tottenham for over a thousand years. It grew up along the old Roman road, Ermine Street (some of which is part of the present A10 road), and between High Cross and Tottenham Hale, the present Monument Way.

When the Domesday Book was compiled in 1086, about 70 families lived within the area of the manor, mostly labourers working for the lord of the manor. A humorous poem entitled the Tournament of Tottenham, written around 1400, describes a mock battle between peasants vying for the reeve's daughter.

The River Lea (or Lee) was the eastern boundary between the Municipal Boroughs of Tottenham and Walthamstow. It is the ancient boundary between Middlesex and Essex and also formed the western boundary of the Viking controlled Danelaw. Today it is the boundary between the London Boroughs of Haringey and Waltham Forest. A major tributary of the Lea, the River Moselle, also crosses the borough from west to east, and often caused serious flooding until it was mostly covered in the 19th century.

From the Tudor period onwards, Tottenham became a popular recreation and leisure destination for wealthy Londoners. Henry VIII is known to have visited Bruce Castle and also hunted in Tottenham Wood. A rural Tottenham also featured in Izaak Walton's book The Compleat Angler, published in 1653. The area became noted for its large Quaker population and its schools (including Rowland Hill at Bruce Castle). Tottenham remained a semi-rural and upper middle class area until the 1870s.