Ryo Takayasu

is a Japanese butterfly swimmer.

Major achievements 2006 Pan Pacific Swimming Championships 100m butterfly 2nd (52.59) medley relay 2nd (3:35.70) 2007 World Championships 50m butterfly 10th (24.03) 100m butterfly 23rd (53.53)

Personal bests In long course 50m butterfly: 23.45 Japanese Record (April 16, 2009) 100m butterfly: 52.43 (April 20, 2008) In short course 50m butterfly: 23.04 (March 16, 2008) 100m butterfly: 49.90 Asian, Japanese Record (March 8, 2009)