The meridian 86° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 86th meridian east forms a great circle with the 94th meridian west.
Starting at the North Pole and heading south to the South Pole, the 86th meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| Kara Sea | ||
| Krasnoyarsk Krai | ||
| Pyasina Bay | ||
| Krasnoyarsk Krai Tomsk Oblast — from Kemerovo Oblast — from Altai Krai — from Altai Republic — from | ||
| Xinjiang Tibet — from | ||
| Bihar Jharkhand — from West Bengal — from Jharkhand — from Odisha — from Jharkhand — from Odisha — from Jharkhand — from Odisha — from | ||
| Indian Ocean | ||
| Southern Ocean | ||
| Antarctica | Australian Antarctic Territory, claimed by | |