Commodore

Commodore has several meanings:

Commodore (rank), a naval rank
Air Commodore, a rank in the Royal Air Force and other Commonwealth air forces
Commodore (Star Trek), a fictional Starfleet rank in Star Trek
Commodore International, a computer company, manufacturer of:
Commodore Semiconductor Group, a microprocessor and calculator company formerly known as MOS Technology, Inc.
The senior officer of a yacht club
Holden Commodore, a car
Opel Commodore, a car
Consolidated Aircraft Commodore, a flying boat
The Commodore, a Horatio Hornblower novel by C. S. Forester
The Commodore, a novel in the Aubrey–Maturin series by Patrick O'Brian
Commodore Ballroom, a nightclub in Vancouver, British Columbia
Commodore Records, an American independent record company specialising in jazz, an offshoot of the Commodore Music Store in New York City
The Commodores, a soul/funk band of the 1970s
Cornelius Vanderbilt (1794–1877), American entrepreneur, was known as "The Commodore"