| Tun Koris تون قرظ | |
| Raja Bendahara of Pahang | |
| Reign: | 1803–1806 |
| Predecessor: | Tun Muhammad |
| Successor: | Tun Ali |
| House: | Bendahara dynasty |
| Father: | Tun Abdul Majid |
| Death Date: | 11 March 1806 |
| Burial Place: | Royal Cemetery, Kuala Pahang |
| Religion: | Sunni Islam |
Sri Paduka Dato' Bendahara Paduka Raja Tun Koris ibni Almarhum Dato' Bendahara Paduka Raja Tun Abdul Majid (died 11 March 1806) was the 23rd Bendahara of the Johor Sultanate and the third Raja Bendahara of the Pahang Kingdom who reigning from 1803 to 1806.
Tun Koris was the third son of the 19th Bendahara of Johor Tun Abdul Majid who succeeded his elder brother, Tun Muhammad in 1803 after he drowned at sea off the coast of Endau.
Tun Muhammad's 40 ship-mates survived the shipwreck, but when they arrived at Pekan, all but two of them were killed by Tun Koris, as they had not died with Tun Muhammad. He stabbed to death with a long kris. Koris' treatment of the ship-wrecked survivors earned him a reputation as cruel.
Tun Koris had been raised in Endau by his Bugis mother and made Tuan Jambul his chief minister. He died in 1806 leaving behind two sons and a daughter. He was succeeded by his son, Tun Ali.