Faustina may refer to:
- Women from the Nerva–Antonine dynasty
- Rupilia Faustina, a daughter of Salonina Matidia and the consul Lucius Scribonius Libo Rupilius Frugi Bonus, who was a great niece of the Roman Emperor Trajan
- Faustina the Elder (died c. 140), Annia Galeria Faustina Major, daughter of Rupilia Faustina and Marcus Annius Verus; wife of Emperor Antoninus Pius
- Faustina the Younger (2nd-century–175), Annia Galeria Faustina Minor, daughter of Faustina the Elder and Antoninus Pius; wife of Emperor Marcus Aurelius
- Annia Cornificia Faustina (123–152), cousin of Faustina to Younger and sister to Marcus Aurelius
- Annia Fundania Faustina (died 192), cousin of Faustina the Younger and Marcus Aurelius
- Ummidia Cornificia Faustina (141–182), daughter of Annia Cornificia Faustina and niece of Marcus Aurelius
- Vitrasia Faustina (died c. 180), daughter of Annia Fundania Faustina
- Annia Aurelia Galeria Faustina (147–2nd-century), first born daughter of Faustina the Younger and Marcus Aurelius
- Annia Cornificia Faustina Minor (160–212), another sister of Annia Aurelia Galeria Faustina
- Annia Faustina (daughter of Ummidia Cornificia Faustina) (165–c. 210), noblewoman of Anatolian Roman descent and a wealthy heiress who lived in the Roman Empire
- Annia Faustina or Annia Aurelia Faustina, the great, granddaughter of Marcus Aurelius and Faustina the Younger, the third wife of Roman Emperor Elagabalus
- Other Roman women
- Faustina (empress), wife of Constantius II
- Faustina Constantia, daughter of Faustina and Constantius
- Saints
- Mary Faustina Kowalska (1905–1938), Polish nun and Saint
- Saint Faustina and Saint Liberata of Como, 6th century Italian Christians
- Other people
- Faustina Bordoni (1697–1781), Baroque-era soprano nicknamed "Faustina"
- Faustina Agolley, Australian television music presenter
- Doc Faustina (born 1939), NASCAR Winston Cup Series driver who competed from 1971 to 1976
- Faustina Acheampong, First Lady of the Republic of Ghana from 1972 to 1978
- Faustina Maratti (c. 1670–1745), Italian Baroque poetess and painter
- Faustina Pignatelli (d. 1785), Italian physicist
- Other uses
- Faustina (1957 film), a 1957 Spanish film
- Faustina (1968 film), an Italian comedy film
- Faustina (1995 film), the Polish drama on the life of Blessed Sister Faustina Kowalska based upon her experiences recorded in her spiritual diary
- Faustina, a subgenus of Chilostoma gastropods