| Seamus Deering | |
| Full Name: | Seamus Joseph Deering |
| Birth Date: | 18 November 1906 |
| Birth Place: | Dunlavin, Co. Wicklow, Ireland |
| Position: | Lock |
| Repyears1: | 1935–37 |
| Repcaps1: | 9 |
| Reppoints1: | 0 |
Seamus Joseph Deering (18 November 1906 — 15 March 1989) was an Irish international rugby union player.
Born in Dunlavin, Co. Wicklow, Deering was the younger brother of rugby player turned politician Mark Deering.[1]
Deering, a second row forward, played his rugby for Bective and Garryowen. He was capped nine times for Ireland between 1935 and 1937, which included an appearance against the 1935–36 All Blacks.[2]
Post rugby, Deering was employed as a Wages Board inspector for the Department of Agriculture.[3]
Deering was the father of 1970s Ireland flanker Shay Deering.[2]