| En Name: | Yessey |
| Ru Name: | Ессей |
| Coordinates: | 68.4652°N 102.1887°W |
| Map Label Position: | bottom |
| Federal Subject: | Krasnoyarsk Krai |
| Adm District Jur: | Evenkiysky District |
| Inhabloc Cat: | Rural locality |
| Inhabloc Type: | Settlement |
| Established Date: | 1628 |
| Established Title: | Ostrog |
| Postal Codes: | 648594 |
Yessey (Russian: Ессе́й, Yakut: Дьэһэй) is a rural locality (a settlement) in Evenkiysky District of Krasnoyarsk Krai, Russia, located on the shore of Lake Yessey.
The historian of Siberia, B.O. Dolgikh, writes that in 1628 Ostrog was built by the Mangazey Cossacks - collectors of yasak (royal tribute).
In 1852, local residents (Yakuts and Evenks) were the first among the indigenous population to accept the Orthodox faith. In 1892, the first Orthodox church in Evenkia was built with the donations of merchants. In 1984, Under Soviet rule, the church was demolished. In 2018, the head of the Evenki region, Yevgeny Vasilyev, decided to build the church of St. Basil the Great in Yessey.
Yessey has a subarctic climate (Köppen climate classification Dfc) with extremely cold winters and mild summers. Precipitation is quite low but is somewhat higher in summer than at other times of the year.