Yōko Kasahara (笠原 洋子, Kasahara Yōko; born 4 August 1945) is a female Japanese former volleyball player who competed in the 1968 Summer Olympics. In 1968 she was a squad member of the Japanese team which won the silver medal in the Olympic tournament.
Source: “Yōko Kasahara”, English Wikipedia (CC BY-SA 4.0), excerpt