William Dell Lindsley (December 25, 1812 – March 11, 1890) was a 19th-century American military veteran and politician who served one-term as a U.S. Representative from Ohio from 1853 to 1855.

Born in New Haven, Connecticut, Lindsley attended the common schools.

He moved to Buffalo, New York, in 1832 and soon after to Erie County, Ohio, settling near Sandusky.

He served as captain in the Ohio Militia from 1840 to 1843 and as brigadier general in 1843.

This article incorporates public domain material from the Biographical Directory of the United States Congress