Order of Saint Basil the Great
| Latin: Ordo Sancti Basilii Magni | |
Saint Josaphat Kuntsevych | |
| Abbreviation | OSBM |
|---|---|
| Formation | 20 August 1631 |
| Founder | Saint Josaphat Kuntsevych |
| Type | Monastic order of pontifical right (for men) |
| Membership | 484 (338 priests) (2025) |
| Robert Lysseiko, OSBM | |
Parent organization | Greek Catholic Church |
The Order of Saint Basil the Great (Ukrainian: Чин Святого Василія Великого, romanized: Chyn Sviatoho Vasyliia Velykoho; Latin: Ordo Sancti Basilii Magni, abbreviated OSBM), also known as the Basilian Order of Saint Josaphat, is a Greek Catholic monastic order of pontifical right that works actively among Ukrainian Catholics and other Greek-Catholic churches in central and Eastern Europe. The order received approbation on August 20, 1631, and is based at the Monastery of the Holy Trinity, Vilnius.