Tom Hill (1811–1860) was a Lenape mountain man active in the American frontier. He first became prominent in the service of Kit Carson as a fur trapper during the 1830s. After that, he lived among the Nimíipuu, influencing them to mistrust ABCFM missionaries. Throughout 1847, Hill was In Alta California fighting in the service of John C. Frémont. Tom Hill returned to Kansas in 1854 to live among fellow Lenape, where he died in 1860. Several later historians have named Hill as the primary cause of the Whitman Massacre, earning him some notoriety.