Frank Kelly (disambiguation)

Frank Kelly (1938–2016), was an Irish actor

Frank Kelly may also refer to:
 * Frank Kelly (footballer, born 1892) (1892–1919), Scottish footballer
 * Frank Kelly (footballer, born 1910) (1910–1982), Australian rules footballer for Collingwood, Melbourne, Essendon and St Kilda
 * Frank Kelly (footballer, born 1921) (1921–1974), Australian rules footballer for Footscray
 * Frank Kelly (footballer, born 1950) (1950–2006), Australian rules footballer for Richmond
 * Frank Kelly (mathematician) (born 1950), University of Cambridge professor
 * Frank J Kelly, air pollution scientist