| Fausta | |
|---|---|
| Augusta | |
| Empress of the Byzantine Empire | |
| Tenure | 642–668 |
| Born | c. 630 |
| Died | after 668 Constantinople (now Istanbul, Turkey) |
| Burial | |
| Spouse | Constans II |
| Issue | Constantine IV Heraclius Tiberius |
| Dynasty | Heraclian |
| Father | Valentinus |
Fausta (Greek: Φαύστα, translit. Faústa; c. 630 – after 668) was the Byzantine empress as the wife of Constans II, when they married in 642.