Cimber Sterling A/S, also known as Cimber Air and styled as Cimber Sterling, was a Danish airline based in Sønderborg, Sønderborg Municipality, Denmark, operating scheduled domestic and international services in co-operation with Scandinavian Airlines (SAS) and Lufthansa. Its main bases were Copenhagen Airport and Billund Airport, with a smaller base at Aalborg Airport. The airline filed for bankruptcy on 3 May 2012.

The airline was established on 1 August 1950 and started operations in 1950. It was founded by the late Captain Ingolf Nielsen. Its first aircraft was a single engine SAI KZ III, call sign OY-DMO which had been used for flights primarily between Sønderborg and Copenhagen. In 1969 the airline took delivery of an eight-seat De Havilland Dove twin-engine light airliner.

Cimber Air was one of the very few operators of the VFW-Fokker 614 regional jet. It also operated Nord 262 and Grumman Gulfstream I turboprop aircraft on its scheduled services. Scandinavian Airlines System (SAS) purchased 26% of Cimber Air in May 1998 and expanded its codeshare agreement. In March 2003, SAS sold the stake back to Cimber Air Holding.

On 3 December 2008 Cimber Air bought parts of Sterling Airlines, which had filed for bankruptcy on 29 October 2008. The new airline, which was named Cimber-Sterling, was created on 7 January 2009. Cimber bought the AOC (Air Operators Certificate), slots, brand and website (www.sterling.com and other domains). Aircraft leases were negotiatied with the owners. Employees of the former Sterling Airlines was not part of the takeover, but were welcome to seek employment in the new airline.

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