Hideo Yokoyama

Hideo Yokoyama
Native name
横山秀夫
Born (1957-01-17) January 17, 1957
Tokyo, Japan
OccupationWriter
LanguageJapanese
GenreCrime fiction, mystery fiction, thriller
Notable worksSix Four
Notable awardsMatsumoto Seicho Prize (1998)
Mystery Writers of Japan Award (2000)
The Best Japanese Crime Fiction of the Year (2003, 2013)

Hideo Yokoyama (横山 秀夫, Yokoyama Hideo; born 1957) is a Japanese novelist who specializes in mystery novels. He is also known for his career as a journalist for the Jomo Shimbun, the regional paper in Gunma. He repeated his Kono Mystery ga Sugoi! No. 1 ranking in 2013 with Six Four (64). The English edition of Six Four, translated by Jonathan Lloyd-Davies, was shortlisted for the 2016 CWA International Dagger.