The meridian 101° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole. The 101st meridian west forms a great circle with the 79th meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 101st meridian west 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;" | Peary Channel ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Danish Strait ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Unnamed waterbody ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Sir William Parker Strait ! scope="row" style="background:#b0e0e6;" | May Inlet ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Parry Channel ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Ommanney Bay ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | M'Clintock Channel ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Victoria Strait ! scope="row" style="background:#b0e0e6;" | Queen Maud Gulf ! scope="row" | 🇨🇦 ! scope="row" | 🇺🇸 ! scope="row" | 🇲🇽 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica