|Full name||Katsumi Oenoki|
|Date of birth||April 3, 1965|
|Place of birth||Shimizu-ku, Shizuoka, Japan|
|Height||1.78 m (5 ft 10 in)|
|1981–1983||Shimizu Higashi High School|
|* Senior club appearances and goals counted for the domestic league only.
He was educated at and played for Shimizu Higashi High School. He won the national high school championship with his teammates including Kenta Hasegawa and Takumi Horiike. He continued his study and football at Waseda University.
After graduating from the university in 1988, he joined Japan Soccer League side Yamaha Motors (current Jubilo Iwata). When Japan's first-ever professional league J1 League started, Shimizu S-Pulse was founded in his local city. He joined the club in 1992 and re-united with his high school teammates Hasegawa and Horiike. He helped the club to win the J.League Cup in 1996, the second stage of the J1 League in 1999, and the Asian Cup Winners Cup in 2000.
He made more than 250 league appearances for Shimizu and retired after the 2002 season.
|Club performance||League||Cup||League Cup||Total|
|Japan||League||Emperor's Cup||J.League Cup||Total|
|1988/89||Yamaha Motors||JSL Division 1||16||2||16||2|
|1992||Shimizu S-Pulse||J1 League||-||0||0||9||4||9||4|
National team statistics
|Japan national team|
He worked as a coach at Shimizu S-Pulse in 2003 and he was the manager of Waseda University A.F.C. between 2004-2007. Under his guidance, Waseda was promoted from the Tokyo Prefectural University League to the Kanto League Div 2 in 2004, and then to Div 1 in 2005. The club finished runners-up in the national intercollegiate championship in 2006.
He acquired the S-Class coaching license that is a prerequisite to manage a J. League club in 2007.
He is currently the manager of Shimizu S-Pulse team.