Genoa is primarily used to refer to Genoa (Genova in Italian Language), a city and port in Liguria, Italy.

It is also used for several localities in the United States:

• Genoa, Colorado
• Genoa, Illinois
• Genoa, Nebraska
• Genoa, Nevada
• Genoa, New York
• Genoa, Ohio
• Genoa, Wisconsin
• Genoa (town), Wisconsin
• Genoa City, Wisconsin
• Genoa Township, Michigan
• Genoa Township, Texas (former)

There is also:

• A genoa (sail), a type of sail
• A pun using the phonetic similarity of Genoa to "do you know her" (d'y know 'er) that was a popular joke in Colchester in the early 1990s