U12

U12 may refer to:

Submarines , various vessels , a submarine of the Austro-Hungarian Navy

Other uses U12 (Berlin U-Bahn), a former railway line "U12" (song), a 2015 song by Daya Nissan Bluebird (U12), a Japanese sedan Nissan Pintara (U12), a Japanese sedan Snub cube U12 Consortium, a university alliance in Taiwan U12 minor spliceosomal RNA Udet U 12 Flamingo, a German biplane BMW X1 (U12), a German crossover exclusively sold in China Under-12, an age classification in many youth sports