John Lord (September 10, 1810 – December 15, 1894) was an American historian and lecturer.

Born September 10, 1810 in Portsmouth, New Hampshire, he graduated from Dartmouth College in 1833 and then entered the Andover Theological Seminary, where in his second year he wrote a series of lectures on the Dark Ages, which he delivered the next fall during a tour through northern New York.

After graduating at Andover he became an agent for the American Peace Society.

In 1840 he gave up his pastoral duties to become a public lecturer and spend time on literary activities.

Lord died December 15, 1894, in Stamford, Connecticut.