| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Léon Pierre•Nijs (Utterwulghe-) |
| Used name | Pierre•Nijs |
| Born | 4 January 1890 in Antwerpen (Antwerp), Antwerpen (BEL) |
| Died | 12 June 1939 (aged 49 years 5 months 8 days) in Antwerpen (Antwerp), Antwerpen (BEL) |
| Affiliations | AZC, Antwerpen (BEL) |
| NOC | Belgium |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 1 |
| Total | 2 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1912 Summer Olympics | Water Polo (Aquatics) | BEL |
Pierre Nijs | |||
| Water Polo, Men (Olympic) | Belgium | 3 | Bronze | |||
| 1920 Summer Olympics | Water Polo (Aquatics) | BEL |
Pierre Nijs | |||
| Water Polo, Men (Olympic) | Belgium | 2 | Silver |
May have died on 11th; newspaper sources state he died "Saturday night", after visiting a water polo match. Saturday was the 11th, but night suggests he died Sunday.