| Olympic medal record | ||
|---|---|---|
| Men's Water Polo | ||
Representing  Italy
| ||
 |
1948 London | Team competition |
 |
1952 Helsinki | Team competition |
Geminio Ognio (13 December 1917 – 28 October 1990) was an Italian water polo player who competed in the 1948 Summer Olympics and in the 1952 Summer Olympics.
He was born in Recco and died in Rome.
In 1948 he was part of the Italian team which won the gold medal. He played six matches and scored four goals.
Four years later he was a member of the Italian team which won the bronze medal in the Olympic tournament. He played four matches.
