Kayoko Shiraishi is a Japanese actress and voice actor born on December 9, 1941, in Tokyo. She is affiliated with the talent agency studio audubon. While she has maintained a prolific career in live-action film, television, and stage performance, her work as a voice actor is a more selective part of her extensive filmography.

In the realm of anime, Shiraishi is known for her role as The Astrologer in the 1983 science fiction film Harmagedon, also known as Genma Wars. This film, produced by Madhouse and directed by Rintaro, featured a notable cast and stands as a significant credit in her voice acting career.

Her other voice acting credits include the 1995 original video animation Ogre Slayer, based on the manga by Kei Kusunoki, where she provided narration. More recently, she was announced to provide a voice role in the 2025 film The Never-Ending Scarlet, playing the mysterious old woman in the land of the dead. Despite her limited number of voice roles, her contributions to the medium are part of a long and distinguished career in Japanese entertainment that began in the 1970s with stage work and live-action films such as those directed by Terayama Shuji and Kon Ichikawa.