Galt is a surname. Notable people with the surname include:

People Alexander Tilloch Galt (1817–1893), politician and a major figure in the Canadian Confederation Annabel Galt (1868–1938), American educator and missionary in Thailand Edith Galt (1872–1961), second wife of President Woodrow Wilson Elliott Torrance Galt (1850–1928), Canadian businessman and developer Jimmy Galt (1885–1935), Scottish footballer John Galt (novelist) (1779–1839), Scottish writer, entrepreneur, political commentator and founder of Guelph, Ontario Malcolm Patrick Galt (1929-2022), Roman Catholic bishop of the diocese of Bridgetown, Barbados Maud Galt (1620–1670), lesbian accused of witchcraft in Scotland Minnie Galt Braithwaite Jenkins (1874–1954), American educator and school-teacher Thomas Galt (1805–1857), American Presbyterian minister, abolitionist and a leader of the Illinois Anti-Slavery Society William Wylie Galt (1919-1945), United States Army officer and recipient of the Congressional Medal of Honor William W. Galt (Minnesota politician) (1854-1945), American farmer and politician Tögöldur Galt (born 1995), Mongolian footballer Wylie Galt (born 1984), American politician

Fictional characters John Galt, hero of Ayn Rand's novel Atlas Shrugged Arthur Galt, an antagonist from the 1982 action film First Blood