Michael Gannon may refer to:
Michael Gannon (politician) (1848–1898), member of the Queensland Legislative Assembly Michael Gannon (historian) (1928–2017), American historian Michael Gannon (obstetrician), president of the Australian Medical Association Mickey Gannon, fictional character in the Australian TV series Neighbours Mick Gannon (Irish footballer) (born 1947), Irish footballer Mick Gannon (English footballer) (1943–2024), English footballer