A supercavitating torpedo is a torpedo using the effect of supercavitation to create a bubble around the torpedo to move at high velocity under water. The following is a list of supercavitating torpedoes which have been developed or are in development.
VA-111 Shkval, 1977
Hoot, 2006
Superkavitierender Unterwasserlaufkörper (Supercavitating underwater-travelling munition) Barracuda, 2005 prototype
Unnamed prototype, mentioned 2004[1]
DARPA also considered building supercavitating minisubs dubbed "Underwater Express".[2]