Henry Seawell (alternatively spelled Sewell) (born c. 1610 - died c. 1644) was a colonial Virginian politician, merchant, and landowner. He was a member of the Virginian House of Burgesses. Sewell's Point is named for Seawell.
He was burgess for Elizabeth City in 1632 and for Norfork County in 1639.
Seawell married Alice and had a son named Henry Seawell (born May 1, 1639; died 1672) and a daughter Anne Seawell (born c. 1634). Anne married Lemuel Mason, also a member of the House of Burgesses.