Keisuke Kato (加藤 慶祐, Katō Keisuke) is a Japanese former actor who portrayed Keisuke Nago/Kamen Rider Ixa in Kamen Rider Kiva. He later reprised the role in a voice-only cameo in Kamen Rider Decade. He later appeared in Kamen Rider × Kamen Rider Gaim & Wizard: The Fateful Sengoku Movie Battle portraying as a warlord for Bujin Kiva.