| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Ciaran•Ó Lionáird |
| Used name | Ciaran•Ó Lionáird |
| Nick/petnames | The Bullet with the Mullet |
| Born | 11 April 1988 in Cork, Cork (IRL) |
| Died | 9 June 2026 (aged 38 years 1 month 28 days) in Montréal, Québec (CAN) |
| Affiliations | Leevale Athletic Club, Cork (IRL) |
| NOC |  Ireland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2012 Summer Olympics | Athletics | IRL |
Ciaran Ó Lionáird | |||
| 1,500 metres, Men (Olympic) | 13 h3 r1/3 |
