The 68th parallel south is a circle of latitude that is 68 degrees south of the Earth's equatorial plane, in the Antarctic. It crosses the Southern Ocean and Antarctica. At this latitude, the sun is visible for 24 hours, 0 minutes during the December Solstice, and civil twilight during the June Solstice.

Around the world

Starting at the Prime Meridian and heading eastwards, the parallel 68° south passes through: ! scope="col" width="125" | Coordinates ! scope="col" | Continent or ocean ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" rowspan="2" | Antarctica ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" rowspan="3"| Antarctica ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica ! scope="row" style="background:#b0e0e6;" | Southern Ocean