Gairdner is a surname. Notable people with the surname include:
Alice Elizabeth Gairdner (1873–1954), British plant scientist, geneticist and cytologist Bill Gairdner (1940–2024), Canadian track and field athlete Douglas Gairdner (1910–1992), Scottish pediatrician, research scientist, academic and author Charles Gairdner (1898–1983), British Governor of Western Australia and Tasmania James Gairdner (1828–1912), British historian John Gairdner (1790–1876), Scottish politician Scott Gairdner (born 1985), American comedy writer, director and podcast William Gairdner (disambiguation), multiple people
See also Gardner (disambiguation)