KRI Cakra (401) is the lead vessel of the two-member Cakra class of diesel-electric attack submarines operated by the Indonesian Navy.

The Cakra class is a class of two Type 209/1300 attack submarines developed by Howaldtswerke-Deutsche Werft of Germany that were bought and commissioned by the Indonesian Navy in the 1980s. The second member of the class, KRI Nanggala sank in 2021 with all hands during an exercise. The lead submarine, KRI Cakra, remains in service.