Glancy is a surname. Notable people with the surname include:
Adam Scott Glancy, game designerBertrand Glancy (1882–1953), Irish-born British colonial administratorChristopher Glancy (born 1960), Catholic bishop in BelizeDaniel Glancy (born 1988), Irish professional tennis playerDiane Glancy (born 1941), Cherokee poet, author and playwrightHarry Glancy (1904–2002), American swimmerMichael Glancy (born 1950), American glass artist