Edward Tatnall (1782–1856) was an American miller and railroad executive based in Wilmington, Delaware.
[1] Tattnell was a son of Joseph Tatnall, a miller and banker in Wilmington.
In 1838, they merged into the Philadelphia, Wilmington, and Baltimore Railroad.
His service is noted on the 1839 Newkirk Viaduct Monument (upon which his name is misspelled as "Tatnell").
[2] His grandson, Henry Tatnall (1897–1940), was the Pennsylvania Railroad's first professionally trained vice president in charge of finance (1904–25).