Teesdale Business Park is a major business park on the former site of Head Wrightsons' Teesdale works in Thornaby-on-Tees, North Yorkshire, England.

The park was redeveloped by the Teesside Development Corporation.

The area is immediately north of Thornaby railway station.

It is a short distance from Stockton-on-Tees town centre – connected via the Victoria, Teesquay Millennium, Princess of Wales and Infinity bridges.

In 1987, after Head Wrightsons' Teesdale Works closed and the site had been cleared, Prime Minister Margaret Thatcher visited the site as part of her visit to Teesside to open the Teesside Development Corporation and made what has been poignantly termed her "Walk in the Wilderness".