William Barr (born 1950) is an American lawyer and government official.
William Barr may also refer to:
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William G. Barr
William G. Barr (January 18, 1920 – February 25, 1987) was an American businessman and politician.
Barr was born in Joliet, Illinois. His father Richard J. Barr was a lawyer and served in the Illinois Senate. Barr attended Joliet public schools ...
(1920–1987), Illinois state representative and businessman
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William Barr (historian) (born 1940), Scottish historian at the University of Calgary, Canada
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William Barr (artist)
William Barr (26 April 186725 February 1933'','' Glasgow, Scotland) began his art studies as a student at the Paisley School of Art and Design, where he earned art teachers and art masters certificates. He went on to the Glasgow School of Art (18 ...
(1867–1933), Scottish / Californian artist
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Billy Barr (footballer)
William Joseph Barr (born 21 January 1969) is an English former footballer and manager who was appointed First Team Coach of Carlisle United in February 2024. Barr was previously the assistant manager of Scottish Championship side Dundee. He to ...
(born 1969), English footballer and coach
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Billy Barr (naturalist), famous for collecting 40 years of climate change data
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