Phraya Phichai
| Phraya Phichai  พระยาพิชัย | |
|---|---|
| Monument of Phraya Phichai Dap Hak, in front of Uttaradit City Hall. | |
| Nickname(s) | Choi (จ้อย) | 
| Born | 1741 Ban Huai Kha, Phichai, Uttaradit Province, Ayutthaya Kingdom | 
| Died | 7 April 1782 Thonburi, Rattanakosin Kingdom | 
Phraya Phichai (Thai: พระยาพิชัย), or popularly known as Phraya Phichai Dap Hak (th: พระยาพิชัยดาบหัก; lit: Phraya Phichai of the broken sword) (1741–1782) was a historic Siamese nobleman of Mon descent who served as a military leader under King Taksin of Thonburi. He legendarily became known for fighting with a sword in each hand until one was broken.