Andrew Gray or Andy Gray may refer to:
- Andy Gray (cricketer) (born 1974), former Yorkshire and Derbyshire cricketer
- Andy Gray (footballer, born 1955), Scottish footballer, commentator, and beIN Sports pundit
- Andy Gray (footballer, born 1964), English footballer and former coach of the Sierra Leone national team
- Andy Gray (footballer, born 1973), English footballer who played for Reading and Leyton Orient
- Andy Gray (footballer, born 1977), Scottish footballer who played for clubs including Leeds United, Nottingham Forest, Barnsley and Bradford City
- Andrew Gray (17th-century divine) (1633–1656), Scottish divine
- Andrew Gray (19th-century divine) (1805–1861), Scottish Presbyterian divine
- Andrew Gray (surveyor) (1820–1862), American surveyor
- Andrew Gray (physicist) (1847–1925), physicist and assistant to Lord Kelvin
- Andrew Gray (anthropologist) (1955–1999), anthropologist and indigenous rights worker
- Andrew Gray (writer) (born 1968), Scottish-born Canadian short story writer and novelist
- Andrew Gray (zoologist) (born 1963), British zoologist, teacher and conservationist
- Andrew Gray, former member of the band Hoots & Hellmouth
- Andy Gray (actor) (1959–2021), Scottish comedy actor
- Andy Gray (musician) (born 1970), composed the Big Brother UK TV theme (with Paul Oakenfold)
- Andrew Sexton Gray (1826–1907), Irish–Australian surgeon and ophthalmologist
- Andrew Gray (lawyer), former UK political candidate