Flannagan is a name. Notable people with the name include:
Charlie Flannagan (born 1933), Australian rules footballer John Flannagan (disambiguation), multiple people, including: John Flannagan (Medal of Honor) (born 1852), American sailor and Medal of Honor recipient John Flannagan (priest) (1860–1926), Catholic priest and president of St. Ambrose College John Bernard Flannagan (1895–1942) American sculptor John W. Flannagan, Jr. (1885–1955), American politician Sarah-Jane and Anna Flannagan (nineteenth century), New Zealand murderers Flannagan mac Ceallach (fl. 879), Irish poet
See also Flanagan (disambiguation) Flannigan (disambiguation)