Katsumasa Miyamoto

Katsumasa Miyamoto (宮本勝昌, born 28 August 1972) is a Japanese professional golfer.

Miyamoto was born in Shizuoka Prefecture. After turning professional, he joined the Japan Golf Tour, where he has won 12 times. He won his first title in 1998, adding another later that year. He added two more wins in 2001 and 2014 and one win in 2003, 2007, 2008, 2010, 2017 and 2019.

Japan Golf Tour wins (12)
Japan Golf Tour playoff record (2–3)

Other wins (1)

 * 2008 Hitachi 3Tours Championship

Japan PGA Senior Tour wins (3)

 * 2023 Fancl Classic, Fukuoka Senior Open Golf Tournament, Iwasaki Shiratsuyu Senior Golf Tournament

Results in major championships
Note: Miyamoto only played in The Open Championship. CUT = missed the half-way cut

Results in World Golf Championships
{{legend|#eeeeee|Did not play}} "T" = Tied

Team appearances
Amateur
 * Eisenhower Trophy (representing Japan): 1992, 1994

Professional
 * Alfred Dunhill Cup (representing Japan): 1998
 * Dynasty Cup (representing Japan): 2003, 2005