William Richardson
William, Will, Willie, Bill, or Billy Richardson may refer to:
Government and politics
Ireland
- William Richardson (1656–1727), MP for Armagh and Hillsborough
- William Richardson (died 1755), MP for Augher
- William Richardson (1710–1758), MP for Armagh
- William Richardson (1749–1822), MP for Armagh
- Sir William Richardson, 1st Baronet, MP for Augher and Ballyshannon
United States
- Bill Richardson, Governor of New Mexico, U.S. Secretary of Energy, Congressman; 2008 Presidential candidate
- Friend Richardson, 25th governor of California
- H. L. Richardson, California state senator
- Willy Bo Richardson, American artist
- William Richardson (Maryland politician), Revolutionary War soldier
- William Richardson (Mississippi politician), Mississippi politician and teacher
- William Richardson (South Carolina politician), South Carolina politician
- William Adams Richardson, Treasury secretary
- William Alexander Richardson, U.S. senator from Illinois
- William B. Richardson, Minnesota state senator
- William Bebb Richardson, California mammalogist
- William Blaney Richardson, American-Nicaraguan naturalist and professional collector of zoological specimens
- William Emanuel Richardson, U.S. representatives from Pennsylvania
- William Henry Richardson, Connecticut state legislator
- William M. Richardson, U.S. representative from Massachusetts, 1811–1814
- William Richardson (Alabama politician), U.S. representative from Alabama, 1900–1914
- William P. Richardson (Ohio politician), Republican politician from the state of Ohio, USA
- William P. Richardson (law school dean), American co-founder and first Dean of Brooklyn Law School
- William P. Richardson (New York politician), New York politician
- William S. Richardson, lieutenant governor of Hawaii
- William O. Richardson, American politician
- William U. Richardson, lawyer and member of the Louisiana House of Representatives
- Willie Richardson (anti-racism advocate), American civil rights activist and community advocate
Other
- Bill Richardson (Australian politician), Lord Mayor of Darwin 1957–1958 and 1969–1971
- William Richardson (colonial administrator), Deputy Governor of Anguilla, Leeward Islands
- William Westbrooke Richardson, High Sheriff of Sussex, England, in 1770
- William Richardson (Ontario politician), Canada
Sports
Association football (soccer)
- Billy Richardson (footballer, born 1896), English footballer
- Bill Richardson (footballer, born 1908), English footballer
- William "Ginger" Richardson, known as W. G. Richardson, English footballer
- Billy Richardson (footballer, born 1920), Irish soccer player
- Bill Richardson (footballer, born 1943), English footballer
Cricket
- William Richardson (Cambridge University cricketer), English cricketer with Cambridge University
- William Richardson (New [South Wales cricketer)], Australian cricketer with New South Wales
- William Richardson (Worcestershire cricketer), English cricketer with Worcestershire
- William Richardson (Derbyshire cricketer), English cricketer with Derbyshire
Other sports
- Bill Richardson (baseball), American baseball player
- William Richardson (footballer), Australian rules footballer
- Bill Richardson (runner), American Olympic runner
- Willie Richardson, American football wide receiver
- Willie Richardson (wrestler), member of Da Soul Touchaz
- Will Richardson (American football), American football player
- Will Richardson (basketball), American basketball player
Religion
- William Richardson (martyr), beatified Roman Catholic martyr
- William Richardson (bishop), Anglican Bishop of Zanzibar, 1895–1901
Academics
- William Richardson (antiquary), English academic and antiquary
- William Richardson (classicist), Scottish professor and scholar
- William Richardson (astronomer), British astronomer
- William J. Richardson, American philosopher
- William C. Richardson, President of Johns Hopkins University, 1990–1995
- William D. Richardson, Director of the UCL Wolfson Institute since 2012
- William Bebb Richardson, American mammalogist
Other
- William Anthony Richardson, sea captain and early California entrepreneur
- William Blaney Richardson, American-Nicaraguan naturalist
- W. P. Richardson (trade unionist), British trade unionist
- William R. Richardson, U.S. Army general
- William R. Richardson (Medal of Honor), Union Army soldier and Medal of Honor recipient
- William Richardson (artist), British artist and architect
- William Richardson (songwriter), Tyneside songwriter
- Will Richardson (educator), author and blogger
- Bill Richardson (journalist), British newspaper editor
- Bill Richardson (broadcaster), Canadian radio broadcaster and author
- Billy Richardson (Pony Express rider)