12 is an EP by the Scottish group Mogwai, and is part of Temporary Residence Limited's mail-order Travels in Constants series.

It was released in 2001 through Temporary Residence Limited.

The EP was included in its entirety on the 2014 reissue of Come On Die Young.

12 features three songs, "Untitled", "Quiet Stereo Dee" (an alternate version of "Stereodee" from 4 Satin, the 1997 EP), and "Arundel" (a cover of a Papa M song from the 1999 album, Live from a Shark Cage), all recorded at Sub Station Studio in Cowdenbeath, Scotland in 1999, and produced by Michael Brennan Jr. and Kevin Lynch.

The album cover features a still of Stevie Chalmers scoring the winning goal for Celtic F.C.