William Roberts
William, Will or Bill Roberts may refer to:
Entertainment
- William Roberts (biographer), English barrister and legal writer
- William Harris Lloyd Roberts, Canadian writer, poet, and playwright
- William Roberts (painter), British painter and war artist
- Will Roberts, British painter
- William Roberts (screenwriter), American screenwriter
- Billy Roberts, American songwriter and musician
- William Owen Roberts, Welsh language novelist and playwright
- Rick Ross, American rapper, born William Leonard Roberts II
- Will Roberts (fiction), fictional character in the TV soap opera ''Days of Our Lives''
Politics
- William Roberts (Parliamentarian), British MP and father of Sir William Roberts, 1st Baronet
- William Roberts (Australian politician), New South Wales politician
- William R. Roberts, U.S. Representative from New York
- W. F. Roberts, Canadian politician and Minister of Health, New Brunswick
- William Roberts (Alberta politician), Canadian politician, Alberta, 1986–1993
- William Y. Roberts, state representative in Pennsylvania
Religion
- William Roberts (priest), Welsh priest
- William Roberts (bishop of Bangor), Anglican bishop
- William C. Roberts (pastor), American pastor and academic administrator
- William Page Roberts, Church of England clergyman, Dean of Salisbury, 1907–1919
- William Henry Roberts, American Baptist missionary in Burma
- William P. Roberts (bishop), American Episcopal bishop of Shanghai
- William A. Roberts, 25th Chief of the Staff of the Salvation Army
Sports
American football
- William Roberts (American football), former NFL offensive lineman
- Bill Roberts (American football), American football player
Association football
- William Roberts (footballer, born 1859), Llangollen F.C., Berwyn Rangers F.C. and Wales international footballer
- Bill Roberts (footballer, born 1859), Wrexham A.F.C. and Wales international footballer
- William Roberts (footballer, born 1863), Rhyl F.C. and Wales international footballer
- Billy Roberts (footballer, born 1880), English footballer
- William Roberts (footballer, born 1907), Cardiff City F.C. footballer
- Bill Roberts (footballer, born 1908), Welsh footballer
- Bill Roberts (footballer, born 1918),, Welsh footballer, see List of Rochdale A.F.C. players (25–99 appearances)
- Will Roberts (footballer), Welsh footballer
Australian rules football
- Bill Roberts (footballer, born 1897), Australian rules footballer for South Melbourne
- Billy Roberts (Australian footballer), Australian rules footballer for St Kilda
- Bill Roberts (footballer, born 1910), Australian rules footballer for Essendon
Cricket
- William Roberts (MCC cricketer), English cricketer
- William Roberts (Australian cricketer), Australian cricketer, played in the 1880s
- William Roberts (Lancashire cricketer), English cricketer
Rugby union
- William Roberts (rugby union), New Zealand rugby union player
- Bill Roberts (rugby union), Welsh rugby international
Other sports
- Bill Roberts (athlete), British runner, gold medal winner in 4 x 100 m relay at the 1936 Olympics
- Bill Roberts (basketball), American basketball player
- William Roberts (cyclist), British and Welsh cyclist
Other
- Sir William Roberts, 1st Baronet, British landowner
- William Hayward Roberts, English schoolmaster and poet
- William Prowting Roberts, Chartist who became known as "attorney-general" of the coal miners in the 1840s
- William Milnor Roberts, American civil engineer
- William Roberts (physician), British scientist
- William Paul Roberts, brigadier general in the Confederate Army
- William Roberts (engineer), Engineer in Chief of the Highland Railway
- Bill Roberts (businessman), British founder of the JET brand of petrol
- William Roberts (veteran), British veteran of the First World War
- William C. Roberts, cardiovascular physician and pathologist
- William Clare Roberts, Canadian political theorist
- William Roberts & Co of Nelson, English steam engine manufacturer