| Aaron O'Sullivan | |
| Birth Date: | 1999 12, df=yes |
| Birth Place: | Basingstoke, England |
| Height: | [1] |
| Weight: | 98kg (216lb) |
| Ru Position: | Wing or full back |
| Ru Amateuryears: | Tadley Rugby Club |
| Ru Clubyears: | 2017 2018– |
| Ru Proclubs: | Wasps Leinster |
| Ru Clubcaps: | 2 0 |
| Ru Clubpoints: | (5) (0) |
| Ru Clubupdate: | 15 March 2020 |
| Ru Nationalyears: | 2020– |
| Ru Nationalteam: | Ireland Sevens |
| Ru Nationalcaps: | 69 |
| Ru Nationalpoints: | 85 |
| Ru Ntupdate: | 15 March 2020 |
| School: | Henley college |
| University: | UCD |
Aaron O'Sullivan (born 15 December 1999) is an Irish rugby union player, currently playing for Pro14 and European Rugby Champions Cup side Leinster. His preferred position is wing.
O'Sullivan previously played association football, represented the academies of both Southampton and Reading.[2] After committing to rugby, O'Sullivan played for Wasps in the Anglo-Welsh cup. He then committed to the Leinster academy,[3] and has yet to debut for Leinster. He has represented the Ireland national rugby sevens team.