Derbyshire South East (UK Parliament constituency)

South East Derbyshire
Former County constituency for the House of Commons
1950–1983
Number of members	one
Replaced by	Erewash, Derbyshire South and Amber Valley
Created from	South Derbyshire

South East Derbyshire was a parliamentary constituency in Derbyshire. It returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post voting system.

The constituency was created for the 1950 general election, and abolished for the 1983 general election.

1950-1955: The Urban District of Long Eaton, and the Rural District of Shardlow.

1955-1974: The Urban District of Long Eaton, and part of the Rural District of Shardlow.

1974-1983: The Urban District of Long Eaton, and the Rural District of South East Derbyshire.