Marco Diener in 1929 | |
| Personal information | |
|---|---|
| Nationality | French |
| Born | 29 May 1913 Colmar, France |
| Died | 18 June 1965 (aged 52) Passage d'Agen, France |
| Sport | |
| Sport | Water polo |
Marco Diener (29 May 1913 – 18 June 1965) was a French water polo player. He competed in the men's tournament at the 1948 Summer Olympics.