Yamaguchi Yuriko was born November 21, 1965 in Osaka Prefecture, Japan. She is a voice actress (seiyuu). Yuriko was initially part of 81 Produce, but went freelance, then joined Vi-Vo. Currently she affiliated with Aoni Production. Her real name is written a bit differently (山口百里子), but read the same way.

Jinno Eiko and Nikaidou Yoshiko is aliases used by Yamaguchi Yuriko for adult games and anime.

山口由里子，1965年11月21日出生于大阪府，日本女性声优。本名山口百里子（やまぐち ゆりこ）。代表作品有《 海贼王》，《 新世纪福音战士》。