The meridian 126° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, Australia, the Indian Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 126th meridian east forms a great circle with the 54th meridian west.
Starting at the North Pole and heading south to the South Pole, the 126th meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| Laptev Sea | ||
| Sakha Republic — islands of the Lena Delta and the mainland Amur Oblast — from | ||
| Heilongjiang — for about 10 km | ||
| Amur Oblast — for about 9 km | ||
| Heilongjiang Inner Mongolia — for about 1 km from Heilongjiang — from Jilin — from | ||
| For about 2 km | ||
| Jilin — for about 2 km | ||
| Yellow Sea | ||
| Several islands of Sinan and Jindo counties | ||
| Yellow Sea | Passing just west of the island of Jeju-do, (at) | |
| East China Sea | ||
| Pacific Ocean | Philippine Sea — passing just east of Calicoan Island, (at) — passing just east of Suluan Island, (at) | |
| Islands of Siargao and Middle Bucas | ||
| Pacific Ocean | Philippine Sea | |
| Island of Mindanao | ||
| Davao Gulf | ||
| Pacific Ocean | ||
| Molucca Sea | ||
| Island of Mangole | ||
| Ceram Sea | ||
| Island of Sanana | ||
| Banda Sea | ||
| Island of Buru — westernmost point | ||
| Banda Sea | ||
| Island of Wetar | ||
| Banda Sea | ||
| Island of Timor | ||
| Timor Sea | ||
| Indian Ocean | ||
| Western Australia | ||
| Indian Ocean | Australian authorities consider this to be part of the Southern Ocean[1] [2] | |
| Southern Ocean | ||
| Antarctica | Australian Antarctic Territory, claimed by | |