Date of Birth: 
About Toshiki Masui
- Toshiki Masui (?? ??, Masui Toshiki, born 13 November 1969) is a Japanese Olympic show jumping rider.
- He competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, where he finished 13th in the team and 64th in the individual competition. Masui participated at two World Equestrian Games (in 2002 and 2010) and at the 2006 Asian Games.
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