Mýrdalsjökull (pronounced ] (), Icelandic for (the) mire dale glacier or (the) mire valley glacier) is an ice cap in the south of Iceland. It is to the north of Vík í Mýrdal and to the east of the smaller ice cap Eyjafjallajökull. Between these two glaciers is Fimmvörðuháls pass. Its peak reaches in height and in the year 1980 it covered an area of approximately .