Lewis Morris (1726–1798) was a signer of the United States Declaration of Independence.
Lewis Morris may also refer to:
Lewis Morris (governor) (1671–1746), American colonial leader in New York and New Jersey Lewis Morris (speaker) (1698–1762), American judge, politician and landowner Lewis Morris (1701–1765), Welsh poet Lewis R. Morris (1760–1825), U.S. Representative from Vermont Lewis G. Morris (1808–1900), maritime advocate, sheep and cattle breeder Sir Lewis Morris (1833–1907), Welsh poet, academic and politician Lewis Gouverneur Morris (1882–1967), banker and social figure in New York and Newport society