| Type: | monarch |
| Thirithu Raza | |
| Reign: | 28 October 1761 - 4 February 1762 |
| Coronation: | 28 October 1761 |
| Succession: | King of Arakan |
| Predecessor: | Nara Apaya |
| Successor: | Sanda Parama |
| Suc-Type: | Successor |
| Spouse: | Tansaung Miphaya |
| Issue: | Motesate tapote (မုတ်ဆိတ်တပုတ်) |
| Father: | Nara Apaya |
| Mother: | unknown |
| Birth Date: | 1729 CE |
| Death Date: | 4 February 1762 CE (aged 33) |
| Death Place: | Mrauk U |
| Religion: | Theravada Buddhism |
Thirithu (Arakanese:သီရီသု, whose personal name was Shwe Yauk (ရွှေယောက်), was a king of the Mrauk-U Dynasty of Arakan. He died of smallpox 3 months later after becoming king.