Giovanni De Gennaro may refer to:
- Giovanni de Gennaro (bishop) (died 1556), Roman Catholic prelate
- Giovanni De Gennaro (police officer) (born 1948), chairman of the first Italian Defense Group Leonardo (formerly Finmeccanica)
- Giovanni De Gennaro (canoeist) (born 1992), Italian slalom canoeist
This disambiguation page lists articles about people with the same name.
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