| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Pierre Etienne•Dillon | |
| Used name | Pierre, Vicomte•Dillon | |
| Born | 30 January 1868 in Paris VIIIe, Paris |  FRA |
| Died | 1955 | |
| Title(s) | Vicomte (Viscount) | |
| NOC | France | FRA |
.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1900 Summer Olympics | Equestrian Dressage (Equestrian) | FRA |
Pierre, Vicomte Dillon | |||
| Hacks and Hunter Combined, Open (Olympic) | Duke d'Aoste |
Olympedia previously had the details of a British "Viscount Dillon" but this appears to be a coincidance between the two names.
