Eriko Yoshinaga (born July 15 , 1970), better known by her ring name Bat Yoshinaga, is a Japanese retired professional wrestler. She worked for All Japan Women's Pro-Wrestling (AJW) between 1989 and 1994, and was most notably featured in "shoot-style" fights centered around the WWWA Martial Arts Championship, which she held for three years before her retirement. She was also a junior member of Bull Nakano's Gokumon-tō stable.