Costanza is a feminine given name. It may refer to:
Contents
People
Given name
Costanza d'Avalos, Duchess of Francavilla (1460–1541)
Costanza Bonaccorsi (born 1994), Italian canoeist
Costanza Casati (born 1995), Italian writer
Costanza Chiaramonte (1377–1423), Neapolitan noble
Costanza Di Camillo (born 1995), Italian synchronized swimmer
Costanza Farnese (1500–1545), daughter of Pope Paul III
Costanza Fiorentini (born 1984), Italian synchronized swimmer
Costanza Ferro (born 1993), Italian synchronized swimmer
Costanza Ghilini (1754–1775), Italian painter
Costanza Sforza, Duchess of Sora (1550–1617)
Costanza Starace (1845–1921), Italian nun
Costanza Varano (1426–1447), Italian humanist
Costanza Zanoletti (born 1980), Italian skeleton racer