Cyriacus Buyruk Khan
| Qurchaqus | |
|---|---|
| Khan of Keraites | |
| Khan of Keraites | |
| Reign | 1150 - 1165 |
| Predecessor | Sarigh Khan |
| Successor | Toghrul |
| Died | 1165 |
| Spouse | Ilma Töre Qaimish |
| Issue | Toghrul Erke Qara Jakha Gambhu |
| Dynasty | Keraite |
| Father | Marqus Buyruk Khan |
Qurchaquz Buyruk Khan (Chinese: 忽兒察忽思不亦魯黑汗; pinyin: Hūercháhūsī Bùyìlǔhēi Hàn) was a 12th-century Nestorian leader of Keraites. He was a son of Marqus Buyruk Khan.