Yoshikatsu Kawaguchi (Kawaguchi Yoshikatsu, born on August 15, 1975, Fuji, Shizuoka), sometimes referred as 'Yoshi Kawaguchi', is a Japanese footballer. He is a goalkeeper and a member of the Japanese national football team. He studied at Shimizu Commercial High School and was a member of the football team there. After finishing high school, he joined the professional football team Yokohama Marinos (now known as Yokohama F. Marinos). He was called up to the Japanese national team and played in the Atlanta Olympic games. Following impressive performances for both club and country, he moved to English club Portsmouth F.C.. However, he struggled to adapt to life in the English Football League and soon moved on to Nordsjælland of the Danish league. Prior to the 2005 Japanese football season, Kawaguchi returned to his home country when he signed with perennial title-contenders Júbilo Iwata.