John Peter Kaj Harryson (born April 2, 1948, in Norrköping, Östergötland County, Sweden) is a Swedish actor, singer and entertainer from Norrköping, Östergötland. He is the son of actor John Harryson (1926-2008).
1994-2001 Harryson played antagonist Pehr Silver in the soap opera Rederiet. He is also known from hosting the game show Så ska det låta. In the 80s he worked extensively with dubbing cartoons into Swedish. Two of his most famous roles are that of pilot Roy Focker in the Swedish dub of the classic anime film Macross: Do You Remember Love and Shaggy in the Scooby-Doo-series.