William Walsh may refer to:
Academia William Thomas Walsh (1891–1949), American historian W. H. Walsh (William Henry Walsh, 1913-1986), British philosopher and classicist William Walsh (educationist) (1916–1996), 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) (c. 1561–1622), English MP for Worcestershire, 1593 William Henry Walsh (politician) (1823–1888), Queensland squatter and politician William Walsh (Maryland politician) (1828–1892), U.S. representative from Maryland William L. Walsh (1857–1938), Canadian lawyer and judge, lieutenant governor of Alberta William E. Walsh (Wisconsin tailor) (1869–1943), American tailor and Wisconsin state legislator William J. Walsh (politician) (1880–1948), Newfoundland politician William Allen Walsh (1887–1940), Canadian member of parliament William C. Walsh (1890–1975), American judge in Maryland William E. Walsh (Oregon politician) (1903–1975), member and president of the Oregon State Senate William F. Walsh (1912–2011), U.S. representative from New York William D. Walsh (1924–2003), American politician, member of the Illinois House of Representatives Joe Walsh (Illinois politician) (William Joseph Walsh, born 1961), U.S. representative from Illinois
Religion William Walsh (bishop of Meath) (c. 1512–1577), Irish Roman Catholic bishop William Walsh (archbishop of Halifax) (1804–1858), Irish-born Canadian Roman Catholic archbishop William Horatio Walsh (1812–1882), English Anglican priest in Australia and England William Walsh (bishop of Ossory, Ferns and Leighlin) (1820–1902), Irish Anglican bishop and author William Walsh (bishop of Dover) (1836–1918), British Anglican bishop of Mauritius and later bishop of Dover William Walsh (archbishop of Dublin) (1841–1921), Irish Roman Catholic archbishop Willie Walsh (bishop) (William Walsh, born 1935), Irish Roman Catholic bishop of Killaloe
Sports William A. Walsh (1871–1967), American football player Billy Walsh (polo) (William Francis Walsh, 1907–1992), British polo player Shawn Walsh (William Shawn Walsh, 1955–2001), American ice hockey coach
Other William Walsh (Irish soldier) (fl. 1605–1616), Irish soldier and officer William Walsh (poet) (1662–1708), English poet and Whig politician, MP for Worcestershire William Walsh (piper) (1859–?), Irish/American piper and police officer William B. Walsh (1920–1996), American physician and founder of Project HOPE William G. Walsh (1922–1945), United States Marine and Medal of Honor recipient
See also Bill Walsh (disambiguation) Billy Walsh (disambiguation) Willie Walsh (disambiguation) W. S. Pakenham-Walsh (1868–1960), British missionary to China and writer William Welsh (disambiguation)