Faustina is the name of several prominent women in history. Two notable women of the Roman Empire, a mother and daughter, both wives of emperors, were named Annia Galeria Faustina, and are normally distinguished as "elder" and "younger":

Faustina Bordoni, Baroque-era soprano nicknamed "Faustina".

Faustina the Elder, wife of Antoninus Pius

Faustina the Younger, the Elder's daughter, wife of Marcus Aurelius

Annia Faustina, a great-granddaughter twice over of Marcus Aurelius, third wife of Elagabalus

Faustina, wife of Constantius II

Saint Faustina Kowalska, Apostle of The Divine Mercy, Nun of the Sisters of Our Lady of Mercy in Poland

Faustina (film), the Polish drama on the life of Blessed Sister Faustina Kowalska based upon her experiences recorded in her spiritual diary

Faustina (genus) - Faustina is a genus of gastropods in the family Helicidae. For example Faustina faustina.