Yoshikage Kira is a character in Jojo's Bizarre Adventure: Diamond is Unbreakable. He is often depicted alongside his Stand, Killer Queen.
Kira is a paraphilic serial killer who has been lurking unnoticed in Morioh for years. Having lived undisturbed all his life, Kira's routine is shaken when the ghost of his first victim Reimi Sugimoto begs the Joestar Group to look for him and he attracts unwanted attention by murdering Shigekiyo Yangu. After being confronted by the protagonists, he murders and assumes the guise of Kosaku Kawajiri.

Kira appears as the protagonist of the spinoff story Dead Man's Questions.