Hisashi Katsuta (勝田 久, Katsuta Hisashi) was a Japanese actor and voice actor. He is best known for his voice-over portrayal of Professor Ochanomizu in three anime adaptations of the Astro Boy franchise, and also voiced Dr. Hoshi in Astroganger (1972–1973), Professor Tobishima in Groizer X (1976–1977), and Shin'ichirō Izumi in Tōshō Daimos (1978–1979).

• 海底超特急 マリン・エクスプレス (1979)

  
• Astro Boy (1980)

  
• Astro Boy (2003)

  
• ドクトル・チエコの性と愛のシリーズ　避妊 (1972)