Giana is a female Italian given name, a form of Giovanna, and a feminine form of Giovanni.
- Giana Roberge (born 1970), American female road cycle racer
- Giana Romanova (born 1954), Soviet female middle distance runner
- Gia'na Garel, American writer, producer, filmmaker, composer and entertainment consultant
- Adalgisa Giana (born 1885), Italian operatic soprano
- Tom Gianas - an American comedy writer, director and producer.