Jonathan Sweet is an Australian actor.
Sweet co-starred in the 1969 TV series Riptide, an Australian production starring the American actor Ty Hardin as Moss Andrews, the owner of a charter boat.
Sweet was cast in the 1985 TV mini-series Anzacs, portraying Harris, a former British soldier who had absconded from Afghanistan to Australia.
Sweet was also cast as Sergeant Thomas in the 1990 Tom Selleck movie Quigley Down Under.