Sean McCarthy may refer to:Sean McCarthy (songwriter) (1923–1990), Irish songwriter Seán McCarthy (1889–1974), Irish Fianna Fáil politician Seán McCarthy (1937–2021), Irish Fianna Fáil politician Seán McCarthy (hurler), Irish hurler Sean McCarthy, Welsh footballer and football manager Sean McCarthy (1922–2006) Seán McCarthy, Irish rugby union player for Bedford Blues Seán McCarthy, Irish rugby union player for Munster Shawn McCarthy, American football player