Belchamp Otten is a village and civil parish in Essex, England. It is located approximately west of Sudbury, Suffolk and is 36km (23 miles) north-northeast from the county town of Chelmsford. It is near Belchamp St Paul and Belchamp Walter. The village is in the district of Braintree and in the parliamentary constituency of Saffron Walden. The parish is part of the Stour Valley North parish cluster.
It has a population of 164 (2001 census).