William Evans
William or Will Evans may refer to:
Arts and entertainment
- William Evans (watercolourist), English watercolour painter born in Eton
- William Evans (landscape painter), William Evans of Bristol
- William T. Evans, American art collector
- William Evans (Wil Ifan), Welsh poet and Archdruid
- William John Evans, Welsh musician and composer
- Yusef Lateef, a.k.a. William Evans, American musician
- Dave Evans (bluegrass), William Evans, bluegrass musician
Politics, law, and military
- William Evans (British Army officer), British Army officer during the War of Spanish Succession
- William David Evans, English lawyer
- William Evans (1788–1856), British MP for North Derbyshire
- William F. Evans, Texan politician
- Sir William Evans, 1st Baronet, British Liberal politician and benefactor
- William Evans (Pennsylvania politician), American politician from Pennsylvania
- William Henry Evans, Wisconsin legislator
- William Evans (judge), Welsh judge and legal author
- William D. Evans, jurist in the state of Iowa
- William Evans (Medal of Honor), American Indian Wars soldier
- William Evans (Australian politician), Australian union leader and politician
- William Sanford Evans, Manitoba politician
- William E. Evans (politician), U.S. Congressman from California
- William S. Evans, Lithuanian-born Jewish-American lawyer, politician, and judge
- William Wadsworth Evans, politician in the New Jersey General Assembly
- William Evans (trade unionist), British trade union leader
- William W. Evans Jr., American politician in the New Jersey General Assembly
- William J. Evans (general), United States Air Force general
- William T. Evans (politician), American politician and judge
- William Andrew Evans, British general
Religion
- William Evans (divine), Welsh Presbyterian divine
- William Evans (lexicographer), Welsh minister and lexicographer
- William Evans (priest), English divine and naturalist
Science
- William Evans (ornithologist), Scottish naturalist, ornithologist and actuary
- William Percival Evans, New Zealand chemistry academic
- William Harry Evans, lepidopterist
- William Evans (cardiologist), Welsh cardiologist and publisher
- William Evans, Baron Energlyn, Welsh geologist and life peer
- William J. Evans (chemist), American chemist
- William Frederick Evans, Victorian era British entomologist
- William E. Evans (pharmacist), American pharmacist and researcher
- William Eugene Evans, marine mammal acoustician and ecologist
- William Charles Evans, biochemist
Sports
- William Evans (baseball), Negro league baseball player
- William Evans (cricketer, born 1883), South African-born English all-round cricketer
- William Evans (cricketer, born 1897), English first-class cricketer and civil servant
- William Evans (footballer), Welsh international football defender
- Will Evans (footballer, born 1991), English football defender
- Will Evans (footballer, born 1997), Welsh football forward
- William W. Evans, American lacrosse player
- William Evans (Australian sportsman), Queensland cricketer and rugby union player
- William Evans (rugby, born 1883), Welsh international rugby union player
- William Evans (rugby union, born 1892), Welsh rugby union player
- Will Evans (rugby union), English rugby union flanker
Other
- William Davies Evans, Welsh chess player
- William Gray Evans, president of the Denver Tramway Company
- William B. Evans, Commissioner of the Boston Police Department, 2014–2018
- William Evans (police officer), United States Capitol Police officer killed in vehicular assault on Capitol
- William Evans, a character in the 2007 film 3:10 to Yuma, played by Logan Lerman