Ryūji Umeda (梅田 竜二, sometimes transliterated Ryuji or Ryugi, and often rendered as Umeda Ryuuji in Western media; born October 22, 1968 in Tokyo) is a Japanese professional three-cushion billiards player. In 1998, Umeda finished 2nd to fellow Japanese in the three-cushion event of the Asian Games. He later won it against of Vietnam in 2006.A year afterward, he dominated the UMB World Three-cushion Championship by defeating Daniel Sánchez, the two-time world champion from Spain. With the victory, he became the second Asian to win it in 34 years since Nobuaki Kobayashi.