Shinpei Hayashiya
- Birthday: 1955-10-26
- Place of birth: Kōenji, Tokyo, Japan
- Also know as: Chiaki Tsunakawa
Shinpei Hayashiya (林家しん平 Hayashiya Shinpei), real name Chiaki Tsunakawa (綱川千秋 Tsunakawa Chiaki), is a Japanese rakugoka and independent filmmaker. A long-time Godzilla fan and collector, his works include the 2003 Heisei Gamera fan sequel, Gamera 4: Truth and a trilogy of independent kaiju films, beginning with Reigo: King of the Sea Monsters.
