William Walsh
William Walsh may refer to:
Academia
- William Thomas Walsh, American historian
- W. H. Walsh, British philosopher and classicist
- William Walsh (educationist), British educationist, literary scholar and acting vice-chancellor of the University of Leeds
Politics and government
- William Walsh (Guildford MP), English landowner and MP for Guildford, 1417
- William Walsh (Worcestershire MP), English MP for Worcestershire, 1593
- William Henry Walsh (politician), Queensland squatter and politician
- William Walsh (Maryland politician), U.S. representative from Maryland
- William L. Walsh, Canadian lawyer and judge, Lieutenant Governor of Alberta
- William E. Walsh (Wisconsin tailor), American tailor and Wisconsin state legislator
- William J. Walsh (politician), Newfoundland politician
- William Allen Walsh, Canadian Member of Parliament
- William C. Walsh, American judge in Maryland
- William E. Walsh (Oregon politician), member and president of the Oregon State Senate
- William F. Walsh, U.S. representative from New York
- William D. Walsh, American politician, member of the Illinois House of Representatives
- Joe Walsh (Illinois politician), U.S. representative from Illinois
Religion
- William Walsh (bishop of Meath), Irish Roman Catholic bishop
- William Walsh (archbishop of Halifax), Irish-born Canadian Roman Catholic archbishop
- William Horatio Walsh, English Anglican priest in Australia and England
- William Walsh (bishop of Ossory, Ferns and Leighlin), Irish Anglican bishop and author
- William Walsh (bishop of Dover), British Anglican bishop of Mauritius and later bishop of Dover
- William Walsh (archbishop of Dublin), Irish Roman Catholic archbishop
- Willie Walsh (bishop), Irish Roman Catholic bishop of Killaloe
Sports
- William A. Walsh, American football player
- William Francis Walsh (polo), British polo player
- Shawn Walsh, American ice hockey coach
Other
- William Walsh (Irish soldier), Irish soldier and officer
- William Walsh (poet), English poet and Whig politician, MP for Worcestershire
- William Walsh (piper), Irish/American piper and police officer
- William B. Walsh, American physician and founder of Project HOPE
- William G. Walsh, United States Marine and Medal of Honor recipient