John Mullan

John Mullan may refer to:
 * John Mullan (academic), professor of English at University College London
 * John Mullan (Australian politician) (1871–1941)
 * John Mullan (road builder) (1830–1909), American soldier, explorer and road builder
 * John B. Mullan (1863–1955), New York state senator
 * John Eddie Mullan (1923–2008), Irish Gaelic footballer