The meridian 131° 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 131st meridian east forms a great circle with the 49th meridian west.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 131st meridian east passes through: ! scope="col" width="130" | Co-ordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" style="background:#b0e0e6;" | Laptev Sea ! scope="row" | 🇷🇺 ! scope="row" | ! scope="row" | 🇷🇺 ! scope="row" | ! scope="row" | 🇷🇺 ! scope="row" style="background:#b0e0e6;" | Sea of Japan ! scope="row" | 🇯🇵 ! scope="row" style="background:#b0e0e6;" | Kanmon Straits ! scope="row" | 🇯🇵 ! scope="row" style="background:#b0e0e6;" | East China Sea ! scope="row" | 🇯🇵 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Dampier Strait ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Ceram Sea ! scope="row" style="background:#b0e0e6;" | Banda Sea ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Banda Sea ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Banda Sea ! scope="row" | 🇮🇩 ! scope="row" style="background:#b0e0e6;" | Arafura Sea ! scope="row" style="background:#b0e0e6;" | Timor Sea ! scope="row" | 🇦🇺 ! scope="row" style="background:#b0e0e6;" | Clarence Strait ! scope="row" | 🇦🇺 ! scope="row" style="background:#b0e0e6;" | Indian Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica