Shay Duffin
- Birthday: 2/26/1931
- Deathday: 4/23/2010
- Place of birth: Dublin, Ireland
- Fame for: Acting
Biography
Shay Duffin (26 February 1931 – 23 April 2010) was an Irish character actor of the stage and screen. He was in the 1993 film Leprechaun with Jennifer Aniston. He also had a role in the 1997 film Titanic.