Captain was a commonly used military rank and title.
- — a military rank used in armies and navies in various militaries, as well as a civilian position for the main pilot or owner of a starship.
- — a rank, position, or title of the leader of a group of bodyguards.
- — a type of naval rank.
- — a rank that was used by the Galactic Empire's investigative division, the Inspectorate.
- — a rank used by clone trooper officers of the Republic Military. It was placed above Clone Lieutenant and below Clone Commander.
- — a senior officer rank that was used by the individual who captained an admiral's flagship.
- — a naval rank used by the Mon Calamari captains of the Mon Cala Mercantile Fleet.
- — a naval rank used by gunnery officers.
- — a naval rank used by the Chiss Expansionary Defense Fleet. They commanded small Chiss starships, and were below the rank of Mid Captain.
- — a naval rank used by the Chiss Expansionary Defense Fleet. They served as the executive officer of a Senior Captain.
- — a naval rank used by the Chiss Expansionary Defense Fleet. They served as the first officer of an admiral, or commanded their own heavy cruisers.
- — a superior variant of the BX-series droid commando used by the Confederacy of Independent Systems.