Ken Takakuwa

is a Japanese swimmer. He was born in Shizuoka. He competed in the 200 m individual medley event at the 2012 Summer Olympics, advanced to the final and finished sixth. Takakuwa also took part in the 200m IM at the 2008 Summer Olympics and placed fifth. In that same event at the Asian games, he won gold in 2010 and silver in 2006. He also won bronze in the 400m IM at the 2010 Asian Games.