Yōko Asagami is a Japanese voice actress who is represented by Aksent. She is most known for the roles of Yuki Mori and Saeko Nogami. Her married name is Yōko Ōkubo.
In 1992, she began to study traditional Japanese storytelling kōdan under the master Ichiryūsai Teisui. By 2004 she had risen to become a star kōdanshi. When she performs as a storyteller, she goes by the art name Ichiryūsai Harumi.