Quidenham is a small rural village and civil parish in the English county of Norfolk. It covers an area of and had a population of 576 in 183 households as of the 2001 census. For the purposes of local government, it falls within the district of Breckland.
The place-name 'Quidenham' is first attested in the Domesday Book of 1086, where it appears as 'Cuidenham', and means 'Cwida's ham or village'. The name 'Cwida' corresponds to the Old High German name 'Quito'.
Quidenham is also the location of the annual music festival Play Fest.
Snetterton Motor Racing Circuit is partially located in Quidenham parish, albeit to the north-west of the village. Eccles Road railway station, on the Breckland Line between Cambridge and Norwich, is a similar distance to the north of the village.