| Séamus O'Shea | |
| Irish: | Séamus Ó Sé |
| Birth Place: | Westmeath, Ireland |
| Height: | 1.89abbr=onNaNabbr=on[1] |
| Weight: | 92kg (203lb) |
| Sport: | Gaelic football |
| Code: | Football |
| County: | Mayo |
| Province: | Connacht |
| Club: | Breaffy |
| Clyears: | 2003– |
| Clposition: | Midfield |
| Counties: | Mayo |
| Icyears: | 2008–2020 |
| Icposition: | Midfield |
| Icapps(Points): | 51 (0-0) |
| Icprovince: | 5 |
Séamus O'Shea (born 1987) is a Gaelic footballer who plays for Breaffy and formerly of the Mayo county team. He is the brother of Mayo stars Aidan and Conor. Seamie was man-of-the-match in the 2013 Connacht Senior Football Championship final against London. He was nominated for an All-Star in 2013.[2] O'Shea came on as a substitute in the 2012 All-Ireland Senior Football Championship Final, which Mayo lost by 0–13 to 2–11 against Donegal.[3] [4] In the 2013 All-Ireland final, he started at midfield as Mayo lost by a point to Dublin.[5]