Politics
* Seán Ryan (Irish politician) (born 1943), Irish Labour Party politician * Sean Ryan (American politician), New York state legislatorSports
* Sean Ryan (tight end) (born 1980), tight end in the National Football League * Sean Ryan (American football coach) (born 1972), American football coach and former player * Sean Ryan (cyclist) (born 1941), British cyclist * Seán Ryan (dual player) (born 1986), Irish hurler and former Gaelic footballer * Sean Ryan (Tipperary hurler) (fl. 2023) * Seán Ryan (Offaly Gaelic footballer) (1939–2012), Irish Gaelic footballer * Sean Ryan (rugby league) (born 1973), Australian former professional rugby league footballer * Seán Ryan (sports administrator) (1895–1963), president of the Gaelic Athletic Association * Sean Ryan (swimmer) (born 1992), American swimmer * Sean Ryan (wide receiver) (born 1999), wide receiver in the National Football LeagueOther people
* Sean Ryan (cinematographer), Australian filmmaker, cinematographer for '' The Moogai'' (2024) * Seán Ryan (fiddler) (1919–1985), Irish folk music fiddler * Sean Ryan (judge), Irish judgeSee also
* Shaun Ryan, Australian rules football umpire *