Gandy is a surname. Notable persons with that surname include:
Andrew Jackson Gandy (1924–1942), American naval seamanBruce Gandy (1962– ), Canadian bagpipe playerCharles Gandy (1872–1943), French physicianChristopher Henry Gandy (1867–1907), British cricketerDavid Gandy (1980– ), British male modelDylan Gandy (1982– ), American football playerEdythe Evelyn Gandy (1920–2007), American politicianEllen Gandy (1991– ), British swimmerGeorge Gandy (1851–1946), American entrepreneurHarry Luther Gandy (1881–1957), American politicianHelen Gandy (1897–1988), American civil servantJames Gandy (1619–1689), British portrait painterJohn Manuel Gandy (1870–1947), American college presidentJohn Peter Gandy aka John Deering (1787–1850), British architectJoseph Edward Gandy (1847–1934), American politicianJoseph Michael Gandy (1771–1843), British artistKim Gandy (1954– ), American feminist activistMatthew Gandy (c1967– ), British urbanist and professor of geographyMichael Gandy (1778–1862), British architectMike Gandy (1979– ), American football playerOscar H. Gandy Jr. (c1944– ), American professor of communication studiesPeter Gandy (1961– ), Australian athletePeter Gandy (author), British writer on religious topicsRobert Brinkley 'Bob' Gandy (1893–1945), American baseball playerRobin Gandy (1919–1995), British mathematical logicianSam Gandy, American professor researching amyloidStephanie Gandy (1982##- ), British American basketball playerTanya Gandy (1987– ), American water polo playerWayne Gandy (1971– ), American football playerWilliam Gandy (?–1729), British portrait painter