Honobu Yonezawa (born 1978) is a Japanese novelist from Gifu Prefecture. He made his literary debut in 2001 with Hyouka. Writing across genres ranging from coming-of-age mysteries and classic detective fiction to historical novels, he is known for combining ingenious logical puzzles with subtle psychological insight. His major honors include the Mystery Writers of Japan Award for The Broken Dragonbone and the Naoki Prize for Black Fortress Castle. From everyday mysteries to sweeping historical narratives, his works offer both intellectual satisfaction and compelling human drama, making him one of the leading voices in contemporary Japanese mystery fiction.