Edmonston is a surname. Notable people with the surname include:
James Ronald Edmonston Charles (1875–1955), British officer in the Royal Engineers Gabriel Edmonston (1839–1918), American labor unionist and carpenter Kathy Edmonston, American politician, member of the Louisiana House of Representatives Phil Edmonston (1944–2022), Canadian consumer advocate, writer and former politician Sam Edmonston (1883–1979), American pitcher in Major League Baseball Susan Edmonston Ferrier (1782–1854), Scottish novelist
See also Edmonston House, New Windsor, Orange County, New York, United States Edmonston, Maryland, town in Prince George's County, Maryland, United States Edmonston Pumping Plant, pumping station near the south end of the California Aqueduct, United States Edmondston Edmondstown Edmonson (disambiguation) Edmonstone Edmonton