HNoMS Kobben

At least two ships of the Royal Norwegian Navy have been named HNoMS Kobben:


 * HNOMS Kobben (1909), the first Norwegian submarine launched in 1909 and scrapped in 1933.
 * HNOMS Kobben (S318), a Kobben-class submarine commissioned in 1964 and transferred to Poland in 2002 as a source of spares, subsequently used for crew training