| Roles | Competed in Olympic Games • Non-starter | |
|---|---|---|
| Sex | Male | |
| Full name | Luis Antonio•Díez Lafuente | |
| Used name | Luis•Díez | |
| Born | 2 November 1923 in Buenos Aires, Ciudad Autónoma de Buenos Aires |  ARG |
| Died | 23 September 2015 (aged 91 years 10 months 21 days) | |
| NOC | Argentina | ARG |
Luis Díez was a member of the gold medal winning team at the 1951 Pan American Games as well as at the 1955 Pan American Games.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1948 Summer Olympics | Water Polo (Aquatics) | ARG |
Luis Díez | |||
| Water Polo, Men (Olympic) | Argentina | |||||
| 1952 Summer Olympics | Water Polo (Aquatics) | ARG |
Luis Díez | |||
| Water Polo, Men (Olympic) | Argentina | =13 |
