William Blair may refer to:
- William Blair (American politician) (1820–1880), member of the Wisconsin State Senate
- William Blair (Australian footballer) (1912–1960), Australian footballer and umpire
- William Blair (Ayrshire MP) (died 1841), member of parliament for Ayrshire 1829–1832
- William Blair (judge) (born 1950), British judge and KC; elder brother of U.K. prime minister Tony Blair
- William Blair (Nova Scotia politician) (1836–1919), farmer and political figure in Nova Scotia, Canada
- William Blair (Royal Navy officer) (1741–1782), Scottish sailor and captain in the Royal Navy
- William Blair (Scottish footballer) (born 1872), Scottish international footballer
- William Blair (surgeon) (1766–1822), British surgeon and writer on ciphers
- William D. Blair, Jr (1937–2006), reporter, State Department spokesman, president of The Nature Conservancy
- William Gourlay Blair (1890–1957), Canadian politician and physician
- William H. Blair (1821–1888), American Civil War Union Brevet Brigadier General
- William John Blair (1875–1943), Canadian engineer and politician
- William M. Blair (1884–1982), investment banker from Chicago
- William McCormick Blair Jr. (1916–2015), U.S. ambassador; son of William M. Blair
- William Newsham Blair (1841–1891), New Zealand engineer and surveyor
- William R. Blair (1874–1962), American scientist and U.S. Army officer
- William R.N. Blair (1915–1990), Canadian psychologist and academic administrator
- William W. Blair (1828–1896), leader in the Reorganized Church of Jesus Christ of Latter Day Saints
- William Blair Tennent (1898–1976), New Zealand politician and cabinet minister
- Willie Blair (born 1965), American baseball player
Companies
- William Blair & Company, a Chicago-based investment banking firm founded by William M. Blair
See also
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article.