The meridian 159° 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 159th meridian east forms a great circle with the 21st meridian west.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 159th 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;" | East Siberian Sea ! scope="row" | 🇷🇺 ! scope="row" style="background:#b0e0e6;" | Sea of Okhotsk ! scope="row" | 🇷🇺 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" | 🇸🇧 ! scope="row" style="background:#b0e0e6;" | New Georgia Sound ! scope="row" style="background:#b0e0e6;" | Solomon Sea ! scope="row" style="background:#b0e0e6;" | Coral Sea ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica