| Vachagan III | |
|---|---|
 The Yeghishe Arakyal Monastery, where Vachagan III is buried | |
| King of Caucasian Albania | |
| Reign | 485–523 |
| Predecessor | Vache II |
| Spouse | Shushanik |
| Issue | Pantaleon Khanchik |
| House | Arsacid |
| Father | Aswagen or Yazdegerd II |
| Religion | Church of Caucasian Albania |
Vachagan III the Pious (Old Armenian: Վաչագան Բարեպաշտ, romanized: Vačʿagan Barepašt) or Vachagan II (according to some authors) was the last Arsacid king of Caucasian Albania, ruling approximately from 485 to 523.