Captain 2nd rank (Russian: капитан 2-го ранга, romanized: kapitan vtorogo ranga, lit.

[2] In the Russian Empire Navy it was the second highest rank of the stab-ofizer (derived from German Stabsoffizier) career group.

[3] This particular rank was introduced by disposal of the Central Executive Committee of the Soviet Union and the Council of People's Commissars, from September 22, 1935.

Pertaining to Engineer aboard of war ships the equivalent rank designation in the Soviet Navy was Captain 2nd rank-engineer.

In the navy of the Russian Federation there are three ranks in the staff officer´s (until 1917: stab-ofizer, derived from German Stabsoffizier) career group, which means: