Starting at the Prime Meridian and heading eastwards, the parallel 80° south passes through:

Co-ordinates	Continent	Sub-continent	Local area	Claimed by
80°0′S 0°0′E / 80.000°S 0.000°E / -80.000; 0.000 (Prime Meridian)	Antarctica	West Antarctica	Part of Queen Maud Land	Norway
80°0′S 45°0′E / 80.000°S 45.000°E / -80.000; 45.000			Enderby Land, Kemp Land, Mac. Robertson Land, Princess Elizabeth Land, Kaiser Wilhelm II Land, Queen Mary Land, Wilkes Land, aka Western Australian Antarctic Territory	Australia
80°0′S 136°0′E / 80.000°S 136.000°E / -80.000; 136.000			Adélie Land	France
80°0′S 142°0′E / 80.000°S 142.000°E / -80.000; 142.000			George V Land, Oates Land, Victoria Land, aka Eastern Australian Antarctic Territory	Australia
80°0′S 160°0′E / 80.000°S 160.000°E / -80.000; 160.000			Ross Dependency	New Zealand
80°0′S 150°0′W / 80.000°S 150.000°W / -80.000; -150.000		East Antarctica	Marie Byrd Land Ellsworth Land	Unclaimed territory
80°0′S 90°0′W / 80.000°S 90.000°W / -80.000; -90.000			Ellsworth Land, in parts Antártica Chilena	Chile
80°0′S 80°0′W / 80.000°S 80.000°W / -80.000; -80.000			Ellsworth Land	Chile and   United Kingdom (overlapping claims)
80°0′S 74°0′W / 80.000°S 74.000°W / -80.000; -74.000			Antarctic Peninsula	Argentina,   Chile and   United Kingdom (overlapping claims)
80°0′S 53°0′W / 80.000°S 53.000°W / -80.000; -53.000			Filchner-Ronne Ice Shelf	Argentina and   United Kingdom (overlapping claims)
80°0′S 25°0′W / 80.000°S 25.000°W / -80.000; -25.000		West Antarctica	Coats Land, part of British Antarctic Territory	United Kingdom
80°0′S 20°0′W / 80.000°S 20.000°W / -80.000; -20.000			Part of Queen Maud Land	Norway

• 79th parallel south
• List of Antarctic and sub-Antarctic islands
• South Pole

80°S 0°E / 80°S 0°E / -80; 0