A manga adaptation drawn by Taskohna began serialization in the March 2012 issue of Kadokawa Shoten's Shōnen Ace.

A live-action film, Hyouka: Forbidden Secrets, directed by Mari Asato and starring Kento Yamazaki and Alice Hirose was released on November 3, 2017.

[3][4] At the request of his older sister, student Hotaro Oreki joins Kamiyama High School's Classic Literature Club to prevent it from being abolished, joined by fellow members Eru Chitanda, Satoshi Fukube and Mayaka Ibara.

Hyouka is the first novel in the Classic Literature Club (古典部, Koten-bu) series, written by Honobu Yonezawa and published by Kadokawa Shoten on October 31, 2001.

[9] A manga adaptation, titled Hyouka and illustrated by Taskohna, started serialization in the March 2012 issue of Kadokawa Shoten's Shōnen Ace.