Sean Clancy

Sean Clancy may refer to:


 * Seán Clancy, member of the Irish Republican Army
 * Seán Clancy (Irish general), Chief of Staff of the Irish Defence Forces
 * Seán Clancy (composer), Irish composer and lecturer
 * Sean Clancy (American football), American football linebacker
 * Sean Clancy (fighter), Irish kickboxer
 * Sean Clancy (footballer), English footballer