Lewis may refer to:

Names

* Lewis (given name), including a list of people with the given name * Lewis (surname), including a list of people with the surname

Music

* Lewis (musician), Canadian singer * "Lewis (Mistreated)", a song by Radiohead from ''My Iron Lung''

Places

* Lewis (crater), a crater on the far side of the Moon * Isle of Lewis, the northern part of Lewis and Harris, Western Isles, Scotland

United States

* Lewis, Colorado * Lewis, Indiana * Lewis, Iowa * Lewis, Kansas * Lewis Wharf, Boston, Massachusetts * Lewis, Missouri * Lewis, Essex County, New York * Lewis, Lewis County, New York * Lewis, North Carolina * Lewis, Vermont * Lewis, Wisconsin

Ships

* USS Lewis (1861), USS ''Lewis'' (1861), a sailing ship * USS Lewis (DE-535), USS ''Lewis'' (DE-535), a destroyer escort in commission from 1944 to 1946

Science

* Lewis structure, a diagram of a molecule that shows the bonding between the atoms * Lewis acids and bases * Lewis antigen, Lewis antigen system, a human blood group system * Lewis number, a dimensionless number in fluid dynamics and transport phenomena * Lewis rat, an inbred strain of laboratory rat

Television

* Lewis (TV series), ''Lewis'' (TV series), a British television detective series * Lewis (The Simpsons), Lewis (''The Simpsons''), a character in ''The Simpsons''

Other uses

* Lewis (cat), a cat that was placed under house arrest * Lewis (lifting appliance) * Lewis (robot), a robotic wedding photographer * Lewis (satellite), a failed NASA satellite mission * HP Lewis, a CPU in certain Hewlett-Packard programmable calculators * Lewis's, a chain of department stores in England and Scotland (1856-1990s), originating in Liverpool * Lewis & Co, a firm of organ builders in Brixton, London from 1860 to 1919 * Lewis University, a private school in Romeoville, Illinois

* Fort Lewis (Washington), Fort Lewis, Washington * John Lewis & Partners, a department store in Great Britain * John Lewis Partnership, an employee-owned UK company which operates John Lewis and Waitrose * Justice Lewis (disambiguation) * Lewes (disambiguation) * Lewis and Clark-class dry cargo ship, ''Lewis and Clark''-class dry cargo ship, a class of vessels * Lewis and Harris, the largest island in Scotland * Lewis Bridge (disambiguation) * Lewis chessmen, medieval chess pieces discovered on the Isle of Lewis * Lewis County (disambiguation) * Lewis gun, a machine gun * Lewis Island (disambiguation) * Lewis River (disambiguation) * Lewis Township (disambiguation) * Lewis Township, Pennsylvania (disambiguation) * Lewisburg (disambiguation) * Lewisite * Lewiston (disambiguation) * Lewistown (disambiguation) * Lewisville (disambiguation) * Louis (disambiguation) * Louise (disambiguation) * Luas * Luis (disambiguation) * SS Lewis Hamilton, SS ''Lewis Hamilton'', former name of the ''Indus'' * USNS Lewis and Clark (T-AKE-1), USNS ''Lewis and Clark'' (T-AKE-1), a United States Navy dry cargo ship * USS Lewis and Clark (SSBN-644), USS ''Lewis and Clark'' (SSBN-644), a United States Navy ballistic missile submarine * USS Milton Lewis (DE-772), USS ''Milton Lewis'' (DE-772), a United States Navy destroyer escort {{DEFAULTSORT:Lewis (Disambiguation)