Family name
Fenzi is an Italian surname. Notable people with the surname include:
- The Fenzi family, influential in Florence in the 18th and 19th centuries
- Emanuele Fenzi (1784–1875), Italian banker, iron producer, and concessionaire of the Livorno–Florence railway
- Emanuele Orazio Fenzi (1843–1924), birth name of Italian-born horticulturist, known in the United States as Francesco Franceschi