Marty Duffy
| Personal information | |
|---|---|
| Native name | Máirtín Ó Dufaigh |
| Full name | Martin Duffy |
| Home town | Enniscrone |
| Years active | Until 2017 |
| Employer | GAA |
| Sport | |
| Sport | Gaelic football |
| Position | Referee |
Martin Duffy is a Gaelic football referee from County Sligo. He is from Enniscrone.
He is a member of the Kilgass GAA club and has served as its chairperson. He is the brother of Michael Duffy, also a referee.