John MacGregor VC MC & Bar DCM ED (1 February 1889 – 9 June 1952) was a Scottish-Canadian soldier.

(1808 – 9 January 1861) a Scottish merchant pioneer of British trade on the River Niger.

Scottish folk hero, Jacobite leader.

Robert Roy MacGregor (7 March 1671 – 28 December 1734) was a Jacobite Scottish outlaw, who later became a Scottish and Jacobite folk hero.

Douglas Abbott Macgregor (born January 4, 1947) is a retired colonel in the United States Army, former government official, author, consultant, and political commentator.

(born Dorlee Deane McGregor; January 12, 1925 – November 13, 2018) an American actress, best known for her role as Harriet Oleson in Little House on the Prairie.

General (24 December 1786 – 4 December 1845) a Scottish soldier, adventurer, and confidence trickster who attempted from 1821 to 1837 to draw British and French investors and settlers to "Poyais", a fictional Central American territory that he claimed to rule as "Cazique".

Samuel Liddell (or Liddel) MacGregor Mathers (8 or 11 January 1854 – 5 or 20 November 1918), born Samuel Liddell Mathers, was a British occultist and member of the S.R.I.A..

(August 3, 1918 – July 15, 2014) an American historian and political scientist, presidential biographer, and authority on leadership studies.

an American trailerable sailboat, that was designed by Roger MacGregor and first built in 1986, with production ending in 2013.