Ebenezer Eastman (February 17, 1681 - July 28, 1748) was a naval captain and supposed founding figure of Concord, New Hampshire. Born in Haverhill, Massachusetts to a veteran of King Philip's War, Eastman participated in various military conflicts in Canada throughout his career as a captain in the Royal Navy. Thoroughly involved in Concord's affairs, he established himself as a respected member of the town, at the time called Rumford. He is recorded as being the "strong man" of the now capital.