John MacGregor explained

John MacGregor, John Macgregor or John McGregor may refer to:

Sportsmen

• John McGregor (footballer, born 1851), Scottish international football player
• John McGregor (footballer, born 1900) (1900–1993), English football player
• John McGregor (footballer, born 1963), Scottish football player
• John MacGregor (rugby union) (fl. 1909), Scottish rugby union player

Politicians

• John McGregor (Upper Canada politician) (c. 1751–1828), businessman and political figure in Upper Canada
• John MacGregor (Glasgow MP) (1797–1857), MP representing Glasgow
• Jack McGregor (born 1934), American senator
• John MacGregor, Baron MacGregor of Pulham Market (born 1937), British politician, MP, and government minister
• John Malcolm Macgregor, British diplomat, Ambassador to Austria, 2003–2007
• John MacGregor (Australian politician) (1828–1884), member of the Victorian Legislative Assembly in the 1860s & 70s
• John MacGregor (New Zealand politician) (1850–1936), New Zealand lawyer, politician and writer

Others

• John Macgregor (1802–1858), Scottish shipbuilder
• John MacGregor (sportsman) (1825–1892), Scottish explorer, travel writer and philanthropist
• John MacGregor (VC) (1889–1952), Canadian recipient of the Victoria Cross, 1918
• John F. MacGregor (born 1943), Canadian statistician and chemical engineer
• John L. MacGregor, Canadian Scouts Movement official
• Jon McGregor (born 1976), British contemporary author