title: Soviet submarine B-401
text: # Soviet submarine B-401
  
  Soviet submarine B-401 may refer to one of the following submarines of the Soviet Navy:
  
  * Soviet submarine B-401 (1968), a Foxtrot-class submarine; sold to India as INS Khanderi of the Indian Navy's Kalvari class
  * Soviet submarine B-401 (1984), a Kilo-class submarine; probably an active submarine in the Russian Navy
  