"Mountain Sound" is a single by Icelandic indie folk/indie pop band Of Monsters and Men.

The song was released as the second single from the international version of their debut studio album, My Head Is an Animal.

It was written by Arnar Rósenkranz Hilmarsson, Nanna Bryndís Hilmarsdóttir and Ragnar Þórhallsson; and produced by Jacquire King.

The music video for "Mountain Sound" was filmed on location at a festival held at the Hljomskalagardurinn park in Reykjavík, Iceland, on 7 July 2012.

It is also included as a playable song in Guitar Hero Live and as DLC for Rock Band 4.