Stockton-on-Tees is a former borough constituency represented in the House of Commons of the Parliament of the United Kingdom.

In 1966, the borough of Stockton was absorbed into the newly created County Borough of Teesside and at the next periodic review of parliamentary constituencies which came into effect for the February 1974 election, it was officially named as Teesside, Stockton.

A further local government reorganisation which came into effect in April 1974 saw Stockton re-established as a borough within the new county of Cleveland and, at the next redistribution which did not come into effect until the 1983 election, the Stockton-on-Tees constituency was abolished.

The County Borough of Teesside wards of Billingham East, Billingham West, Grangefield, Hartburn, Mile House, North End, Norton, Stockton South.

The political parties had been making preparations for an election to take place from 1939 and by the end of this year, the following candidates had been selected;