Tungnafellsjökull (Icelandic for "Tungna-fells glacier" or "tongue-fells glacier") is a glacier and volcano in Iceland. It has an elevation of 1,535 metres (5,036 ft) and is located northwest of Vatnajökull glacier.
Coordinates: 64°44′N 17°55′W / 64.73°N 17.92°W