Elfin Sports Cars Pty Ltd (formerly known as Elfin Sports Cars) is an Australian car manufacturer company that was founded by Garrie Cooper. It has been an Australian manufacturer of sports cars and motor racing cars since 1959.

Elfin Sports Cars is currently owned by the estate of former British racing driver Tom Walkinshaw, through his company Walkinshaw Performance which also owns Holden Special Vehicles. It was previously owned by businessmen and historic racing enthusiasts Bill Hemming and Nick Kovatch (who remains as technical director) who purchased it in 1998.

Elfin is the oldest continuous sports car maker in Australia and one of the most successful with 29 championships and major Grand Prix titles. The original factory was located at Conmurra Avenue, Edwardstown in suburban Adelaide, South Australia. The company is currently located at Braeside, a suburb of Melbourne, Australia.