Gage is a surname. Notable people with the surname include:
Business and industry Alfred S. Gage (1860–1928), American rancher and businessman in Texas Daniel Gage (1828–1901), New England ice harvester John Gage (born 1942), American business executive John Gage (disambiguation), several people
Entertainment Ben Gage (1914–1978), American television actor Dave Gage, American harmonica player and instructor Kevin Gage (born 1958), American actor Mary Leona Gage, Miss USA 1957 Patricia Gage, British actress Pierre Gage, Quebec musician Ryan Gage, actor
Fictional characters Francis Gage, portrayed by Judson Mills, a rookie Texas Ranger and main character in the American crime drama series, Walker, Texas Ranger. John Roderick "Johnny" Gage, portrayed by Randolph Mantooth, main character of the American medical drama series, Emergency! Detective Mike Gage, main character from the 1998 American horror film Strangeland.
Literature and academics Alexandra Gage, Viscountess Gage (born 1969), British lecturer Leighton Gage (1942–2013), American writer Nicholas Gage (born 1938), Greek-American writer
Military and naval Henry Gage (soldier) (1597–1645), soldier in the English Civil War Richard Gage (soldier), Union soldier in the American Civil War Thomas Gage (1719–1787), British general in the American Revolution
Politics and government Delwyn Gage (1930–2025), American politician from Montana Douglas Gage, American politician Frances Dana Barker Gage, suffragist and women's rights leader Fred Kelton Gage (1902-1951), American lawyer and politician George Gage, 7th Viscount Gage (1932–1993) Henry Gage (1852–1924), American politician from California Henry Gage, Viscount Gage, several people Jack R. Gage (1899–1970), American politician from Wyoming John Gage (Tudor politician), English politician Kelly Gage (1925-2017), American lawyer and politician Lyman Gage (1836–1927), American financier and politician Matilda Joslyn Gage (1826–1898), women's suffrage activist Nicolas Gage, 8th Viscount Gage (born 1934) Richard Gage (architect), leader of the group Architects & Engineers for 9/11 Truth Viscount Gage, several people Sir William Gage, 7th Baronet (1695–1744) William Gage, 2nd Viscount Gage (1718–1791)
Religion Thomas Gage (clergyman) (c. 1597 – 1656), English clergyman W.D. Gage, Nebraska minister, namesake of Gage County, Nebraska
Science and technology Andrew Thomas Gage (1871–1945), Scottish botanist and surgeon Fred Gage, American geneticist Julia C. Gage, American cancer epidemiologist Linda Gage, American demographer Nathaniel Gage (1917–2008), American educational psychologist Phineas Gage (1823–1860), American railroad construction foreman whose personality was changed by an accident that destroyed part of his brain Simon Henry Gage (1851–1944), American professor of anatomy, histology, and embryology Susanna Phelps Gage (1857–1915), American embryologist and comparative anatomist Thomas Gage (botanist) (1781–1820), British botanist Walter Gage (1922–1978), Canadian mathematician
Sports Bobby Gage (1927–2005), American football player Ethan Gage, (born in 1991), Canadian soccer player Joaquin Gage (born 1973), Canadian ice hockey player Jody Gage (born 1959), Canadian ice hockey player Justin Gage (born 1981), American football player Kevin Gage (footballer), (born in 1964), English football player Matt Gage (born 1993), American baseball player Nick Gage, wrestler Russell Gage (born 1996), American football player Jason Gage (Born 1986)
Other Jetseta Gage (1994–2005), American victim of kidnap and murder Margaret Kemble Gage, alleged spy, wife of General Thomas Gage Polly Gage (1805–1882), namesake of Aunt Polly’s Wash Tub