Seán Grehan
#27 · Defender · Doncaster Rovers
- Nationality
- Ireland
- Born
- 2004-01-08
- Birthplace
- , Republic of Ireland
- Position
- Defender
Seán Patrick Grehan (born 8 January 2004) is an Irish professional footballer who plays as a centre-back for League One club Doncaster Rovers. He is a Republic of Ireland youth international.