Junichi Miyashita (宮下 隼一, Miyashita Jun'ichi, born August 12, 1956) is a Japanese screenwriter born in Nagano Prefecture. His old pseudonym is 宮下潤一 (same reading). He mainly writes scripts for police dramas, special effects, and anime. He is known for his scripts for the Case Closed anime series and some of the Kamen Rider series.