| Cornelia Gilissen | |
| Nationality: | American |
| Sport: | Diving |
| Birth Date: | 21 September 1915 |
| Birth Place: | New York City |
| Death Place: | Key Largo, Florida |
Cornelia Gilissen (September 21, 1915 - March 21, 1994) was an American diver who competed in the 1936 Summer Olympics. She was born in New York City. In 1936 she finished fifth in the 10 metre platform event.[1]