John Lathrop may refer to:

Jack Lathrop (John Marcus Lathrop, 1913–1987), jazz guitarist and vocalist John Lothropp (1584–1653), British clergy John Lathrop (American minister) (1740–1816), of Boston, Mass John Hiram Lathrop (1799–1866), educator John W. Lathrop (born 1960), California Army National Guard general John Lathrop (judge) (1833–1910), associate justice of the Massachusetts Supreme Judicial Court