Kapitänleutnant

Kapitänleutnant, short: KptLt/in lists: KL, (English: captain lieutenant or lieutenant captain) is an officer grade of the captains' military hierarchy group (German: Hauptleute) of the modern German Bundeswehr. The rank is rated OF-2 in NATO, and equivalent to Hauptmann in the Heer and Luftwaffe. It is grade A11 or A12 in the pay rules of the Federal Ministry of Defence.

The rank first appeared in the German Empire and continued in use through the Weimar Republic and into the Third Reich.