The meridian 149° east of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Pacific Ocean, Australasia, the Southern Ocean, and Antarctica to the South Pole.
The 149th meridian east forms a great circle with the 31st meridian west.
Starting at the North Pole and heading south to the South Pole, the 149th meridian east passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| Sakha Republic — Bennett Island | ||
| East Siberian Sea | ||
| Sakha Republic — island of New Siberia | ||
| East Siberian Sea | ||
| Sakha Republic Magadan Oblast — from | ||
| Sea of Okhotsk | Taui Bay | |
| Magadan Oblast — Spafaryev Island | ||
| Sea of Okhotsk | Passing just east of Iturup in the Kuril Islands (at), administered by (Sakhalin Oblast), but claimed by (Hokkaidō Prefecture) | |
| Pacific Ocean | Passing just west of the island of Narage, (at) Passing just west of the island of Unea, (at) | |
| Island of New Britain Arawe Islands — from | ||
| Solomon Sea | ||
| Island of New Guinea | ||
| Pacific Ocean | Coral Sea — passing through 's Coral Sea Islands Territory | |
| Queensland — Whitsunday Island | ||
| Pacific Ocean | Coral Sea | |
| Queensland New South Wales — from Australian Capital Territory — from, passing just west of Canberra (at) New South Wales — from Victoria — from | ||
| Pacific Ocean | ||
| Southern Ocean | ||
| Antarctica | Australian Antarctic Territory, claimed by | |