Sean Hayes (disambiguation)

Sean Hayes (born 1970) is an American actor best known for his role as Jack McFarland in the sitcom Will & Grace.

Sean Hayes may also refer to:


 * Seán Hayes (Cork politician) (1884–1941), otherwise known as John Hayes, Sinn Féin member of Dáil Éireann
 * Seán Hayes (Tipperary politician) (1890–1968), Fianna Fáil TD for Tipperary, later a senator
 * Seán Hayes (Gaelic footballer) (born 1960), retired Gaelic footballer who played for Cork
 * Sean Hayes (musician) (born 1969), American singer-songwriter