The Third Man is a TV series which ran from 1959 to 1965. It was based on the novel and film The Third Man and starred Michael Rennie as Harry Lime. Lime is now an international private investigator.

The series was a co-production between the NTA Film Network and the BBC. The first twenty episodes were shot at 20th Century Fox studios in Hollywood. Later episodes were filmed at Shepperton Studios and Associated-British Elstree Studios (Associated British Picture Corporation) in England.