Gennaro (disambiguation)

Gennaro (from the Latin Januarius, meaning "devoted to Janus") may refer to

• San Gennaro, people and places named for the saint, bishop of Naples
• Gennaro (given name)
• Gennaro (surname)
• DiGennaro Communications, American communications company
• The Grand Gennaro, a novel by Garibaldi M. Lapolla