Thomas Clark Street (1814 – September 6, 1872) was a lawyer, businessman and political figure in Ontario, Canada.

He was a Conservative member of the House of Commons of Canada who represented Welland from 1867 to 1872.

He studied law with Christopher Hagerman and William Henry Draper and was called to the bar in 1838.

In 1851, he was elected to the Legislative Assembly of the Province of Canada representing Welland; he was defeated in 1854 and 1857, then reelected in 1861 and 1863.

He served as president of the Niagara Falls Suspension Bridge Company and the Gore Bank.