Sean O'Neill

Sean O'Neill may refer to:

• Sean O'Neill, 3rd Earl of Tyrone
• Sean O'Neill (actor) (born 1985), Canadian actor
• Seán O'Neill (born 1938), Gaelic football player for Down
• Sean O'Neill (Louth Gaelic footballer), Gaelic football player for Louth
• Seán O'Neill (hurler) (born 1972), Irish hurler for Limerick
• Sean O'Neill (footballer) (born 1988), association footballer
• Sean O'Neill (table tennis) (born 1967), American table tennis player and coach

See also

• Sean O'Neal (born 1975), actor