David Barker Stevenson (November 17, 1801 – March 3, 1859) was a businessman and politician in Canada West.
After his father died, he moved to Hallowell Township in Upper Canada to work in his uncle's general store.
In 1836, he became the president of the Mutual Fire Insurance Company in the Prince Edward District.
In 1848, he was elected to the Legislative Assembly of the Province of Canada for Prince Edward; he was reelected in 1851 and 1854.
He opposed representation by population and supported Kingston as capital of the province.