The Japan Senior Open Golf Championship is one of the major championships in Japanese men's senior golf. It is administered by the Japan Golf Association (JGA) and is recognised as a major championship by the PGA of Japan Senior Tour. It was founded in 1991.

Quick Facts Tournament information, Location ...

Japan Senior Open

Tournament information
Location	Varies – Ishikawa in 2023
Established	1991
Course(s)	Varies – Noto Country Club in 2023
Organized by	Japan Golf Association
Format	Stroke play
Prize fund	¥80,000,000
Month played	September
Current champion
Hiroyuki Fujita

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• 2023 Hiroyuki Fujita
• 2022 Prayad Marksaeng (4)
• 2021 Taichi Teshima
• 2020 Akira Teranishi
• 2019 Toru Taniguchi
• 2018 Prayad Marksaeng (3)
• 2017 Prayad Marksaeng (2)
• 2016 Prayad Marksaeng
• 2015 Takenori Hiraishi
• 2014 Masahiro Kuramoto (2)
• 2013 Kiyoshi Murota (2)
• 2012 Frankie Miñoza
• 2011 Kiyoshi Murota
• 2010 Masahiro Kuramoto
• 2009 Tsukasa Watanabe
• 2008 Tsuneyuki Nakajima (3)
• 2007 Isao Aoki (5)
• 2006 Tsuneyuki Nakajima (2)
• 2005 Tsuneyuki Nakajima
• 2004 Katsunari Takahashi (3)
• 2003 Katsunari Takahashi (2)
• 2002 Takaaki Fukuzawa
• 2001 Fujio Kobayashi
• 2000 Katsunari Takahashi
• 1999 Graham Marsh (2)
• 1998 Graham Marsh
• 1997 Isao Aoki (4)
• 1996 Isao Aoki (3)
• 1995 Isao Aoki (2)
• 1994 Isao Aoki
• 1993 Seiichi Kanai (3)
• 1992 Seiichi Kanai (2)
• 1991 Seiichi Kanai

Japan PGA home page (in Japanese)