| Olympic medal record | ||
|---|---|---|
| Men's Water Polo | ||
| Silver | 1920 Antwerp | Team competition |
| Bronze | 1912 Stockholm | Team competition |
Léon Pierre Nijs (4 January 1890 – 1939) was a Belgian water polo player who competed in the 1912 Summer Olympics and in the 1920 Summer Olympics.
He was part of the Belgian team and was able to win a silver and a bronze medal.