| Birth Date: | 1995 10, df=yes |
| Birth Place: | London, England |
| Height: | 6feet |
| Weight: | 245lb |
| Ru Position: | Hooker |
| Youthyears1: | 2006–2007 |
| Youthclubs1: | Bahrain RFC |
| Youthyears2: | 2011–2014 |
| Youthclubs2: | Munster Rugby |
| Youthyears3: | 2015–2016 |
| Youthclubs3: | Leinster Rugby |
| Years1: | 2016–2018 |
| Clubs1: | Leinster A |
| Years2: | 2019–2020 |
| Clubs2: | New England |
| Years3: | 2019 |
| Clubs3: | →RUNY (loan) |
| Years4: | 2021-2022 |
| Clubs4: | LA Giltinis |
| Years5: | 2022 |
| Clubs5: | Seattle Seawolves |
| Years6: | 2023 |
| Clubs6: | San Diego Legion |
| Years7: | 2024 |
| Clubs7: | Miami Sharks |
| Apps1: | 11 |
| Points1: | 5 |
| Apps2: | 5 |
| Points2: | 0 |
| Apps3: | 3 |
| Points3: | 0 |
| Apps4: | 14 |
| Points4: | 0 |
| Apps5: | 8 |
| Points5: | 5 |
| Apps6: | 4 |
| Points6: | 5 |
| Apps7: | 16 |
| Points7: | 10 |
| Clubupdate: | 27 March 2024[1] |
| Repyears1: | 2013 |
| Repyears2: | 2014 |
| Repyears3: | 2014–2015 |
| Repteam1: | Ireland Schoolboys |
| Repteam2: | Ireland U19 |
| Repteam3: | Ireland U20 |
| Repcaps3: | 7 |
| Reppoints3: | 0 |
| School: | Rockwell College |
| University: | University College Dublin University of Hertfordshire |
Sean McNulty (born 10 July 1995) is a professional rugby union player who currently plays as a hooker for the Miami Sharks of Major League Rugby (MLR).
He previously played as a hooker for the MLR's New England Free Jacks and Rugby United New York (RUNY) on loan for the 2019 Major League Rugby season.[2] [3] McNulty came through the Munster Rugby academy system before joining the Leinster Rugby Academy and playing for Leinster A in the British & Irish Cup.
He signed with LA Giltinis prior to the 2021 MLR season[4] and won the 2021 MLR championship with the team. During the 2022 season, he was traded to the Seattle Seawolves.[5] Following the 2022 season, McNulty was traded by the Seawolves to the San Diego Legion in exchange for Ben Mitchell.[6] Prior to the 2024 MLR season, San Diego Legion traded McNulty to Miami Sharks in exchange for 2024 salary cap considerations.[7]
Sean McNulty made his debut for the United States national rugby team against Canada on August 31st, 2024.[8]