Giannini
Giannini may refer to:
- Giannini (surname), Italian surname
- Giannini Automobili, Italian tuning company and a former producer of cars
- Giannini (guitar company), Brazilian musical instruments manufacturing company
- Giannini Hall, historic building in Berkeley, California
- The Giannini Foundation of Agricultural Economics,
- Giannini sextuplets, set of sextuplets born to Rosanna Caviglia Giannini and Franco Giannini at Careggi, Florence, Italy.