Wretham is a civil parish and village in the English county of Norfolk. The village, which is also referred to as East Wretham, is situated some north east of the town of Thetford and south west of the city of Norwich.
The civil parish, which also includes the villages of Stonebridge and Illington, has an area of . In the 2001 census it had a population of 366 in 137 households. For the purposes of local government, the parish falls within the district of Breckland.
The proprietor of the Dog and Partridge local pub has gained publicity for his stance against smoking ban that was introduced into England and Wales in July 2007.