Frigate captain is a naval rank in the naval forces of several countries. Corvette captain lies one level below frigate captain.
It is usually equivalent to the Commonwealth/US Navy rank of commander.
Countries using this rank include Argentina, Colombia and Spain (), France (), Belgium (), Italy (), Brazil and Portugal (), Croatia () and Germany ().
In the Royal Canadian Navy, capitaine de frégate is the official French language name for the rank of commander.
The NATO rank code is OF-4, the official translation for instance of the German as well as the French capitaine de frégate into English is "commander senior grade".
is a German Navy line officer rank OF-4 equivalent to (en: Lieutenant colonel) in the German Army and German Air Force.