Jason King is a British television series starring Peter Wyngarde as the eponymous character. It was produced by ITC Entertainment and had a single season of 26 one-hour episodes that aired from 1971 to 1972. It was shown internationally as well, and has been released on DVD in the United Kingdom, the United States, Australia and Germany.

Peter Paul Wyngarde was a British television, stage and film actor active from the late 1940s to the mid 1990s. He was best known for portraying the character Jason King, a bestselling novelist turned sleuth, in two television series: Department S (1969–70) and Jason King (1971–72). His flamboyant dress sense and stylish performances led to success, and he was considered a style icon in Britain and elsewhere in the early 1970s.