阿斯恰火山是冰岛的火山，位于该国中东部，海拔高度1,510米，山体由玄武岩和流纹岩组成，每年平均降雨量450毫米，最近一次火山喷发在1961年发生。

Askja ([ˈascja]) is a caldera situated in a remote part of the central highlands of Iceland. The name Askja refers to a complex of nested calderas within the surrounding Dyngjufjöll mountains, which rise to 1,510 m (4,954 ft), askja meaning box or caldera in Icelandic