Seán Treacy (disambiguation)
Seán Treacy (1895–1920) was an Irish Republican Army leader during the Irish War of Independence.
Seán Treacy may also refer to:
- Seán Treacy (politician) (1923–2018), former Irish politician
 - Seán Treacy (Galway hurler) (born 1965), Irish retired hurler
 - Seán Treacy (Dublin hurler) (born 1995), Irish hurler
 
See also
- Sean Tracey (born 1980), American baseball player
 - Sean Tracy (born 1963), New Zealand cricketer