On Little Known Frequencies is the fourth and final studio album by the post-rock band From Monument to Masses.

Released on March 10, 2009, this album is the first album of new music released by From Monument to Masses since 2003, making it the band's fourth release on Dim Mak Records.

[1] As with other albums released by the group, sung lyrics do not play a part in the album, with numerous television, radio and film sound clips played within tracks.

According to the album liner notes,[2] the contributors were as follows: