List of Lockheed Constellation operators

The Lockheed Constellation was used by dozens of airlines and militaries around the world. In military service, the Navy/Air Force EC-121 Warning Star variant remained operational until 1978, nearly 40 years after work on the L-049 began.

Commercial

Civilian airlines that operated the Constellation included:

* Argentina
** Aerolineas Carreras
** Aerolineas Entre Rios
** Trans Atlantica Argentina
** Transcontinental

* Australia
** Qantas

* Austria
** Aero Transport

* Belgium
** Sabena (leased from Western Airlines)
* Brazil
** Panair do Brasil
** REAL
** VARIG
* Canada
** Nordair
** Trans Canada Airlines
* Ceylon
** Air Ceylon
* Chile
** Transportes Aereos Squella
* Republic of China
** China Airlines
* Colombia
** Avianca
* Cuba
** Cubana de Aviación
* Dominican Republic
** Aerotours Dominicana
** Aerovias Quisqueyana
* France
** Air France
* Germany
** Lufthansa
* Haiti
** Air Haiti International
* India
** Air India
* Ireland
** Aer Lingus
* Israel
** El Al
* Korea
** Korean National Airlines
* Luxembourg
** Luxair
* Mexico
** Aeronaves de Mexico
** Aerovias Guest
* Morroco
** Royal Air Maroc
* Netherlands
** KLM
* Pakistan
** Pakistan International Airlines
* Panama
** Lineas Aerea de Panama
* Paraguay
** Lloyd Aereo Paraguayo
* Peru
** LANSA
** Perú Internacional - COPISA
** Trans-Peruana
* Portugal
** Transportes Aereos Portugueses
* Senegal
** Government of Senegal
* South Africa
** South African Airways
** Trek Airways
* Spain
** Iberia
* Tunisia
** Air Afrique
* United Kingdom
** ACE Freighters
** British Overseas Airways Corporation
** Britannia Airways
** Euravia
** Falcon Airways
** Trans European Aviation
** Universal Sky Tours
* United States
** Alaska Airlines
** American Airlines
** American Overseas Airlines
** Braniff International Airways
** Capital Airlines
** Chicago and Southern Air Lines
** Delta Air Lines
** Eastern Air Lines
** Federal Aviation Administration
** Flying Tiger Line
** Great Lakes Airlines
** Imperial Airlines
** Intercontinent Airways
** Miami Airlines
** Modern Air Transport
** NASA
** Northwest Orient Airlines
** Pacific Northern Airlines
** Pan American World Airways
** Regina Cargo Airlines
** Seaboard & Western Airlines
** Seaboard World Airlines
** Slick Airways
** South Pacific Airlines
** Trans World Airlines
** United Airlines
** United States Airways
** Western Airlines
** Wien Air Alaska
* Uruguay
** Aerolineas Uruguayas
* Venezuela
** Linea Aeropostal Venezolana

Military Operators

*FRA: French Air Force
*IND: Indian Navy
*IDN: Indonesian Air Force
*USA: United States Air Force, United States Navy