|Anime debut||Yu-Gi-Oh! (Toei) episode 15: "Eerie Woman!! Unable to Transform"|
Risa Kageyama (影山 リサ Kageyama Risa) is a character in the Toei Yu-Gi-Oh! anime. She is the only one of the three Kageyama sisters whose name is mentioned on screen.
Risa and her sisters are three witches who want to have the three "Hecate" cards. Risa Kageyama tries to take Yugi Mutou's "Violet Hecate" card, by pretending to be Yugi's friend. Yugi, with the Millennium Puzzle taken away from him, is forced into a Duel Monsters game with Risa and her sisters. Yugi is about to lose until Kaiba appears and takes over, defeating them.
Risa collectively uses a "Hecate" Deck, with her sisters.