The 50th parallel south is a circle of latitude that is 50 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, the Indian Ocean, the Pacific Ocean and South America.
At this latitude the sun is visible for 16 hours, 22 minutes during the December solstice and 8 hours, 4 minutes during the June solstice. On December 21, the sun is at 63.83 degrees in the sky and on June 21, the sun is at 16.17 degrees in the sky.
Starting at the Prime Meridian and heading eastwards, the parallel 50° south passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Atlantic Ocean | ||
| Indian Ocean | Passing just south of the Kerguelen Islands, French Southern and Antarctic Lands | |
| Pacific Ocean | Passing just south of the Antipodes Islands, New Zealand | |
| Chile | Patagonic Archipelago and mainland | |
| Argentina | ||
| Atlantic Ocean |
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