Daisuke Matsunaga (松永 大介, Matsunaga Daisuke, born 24 March 1995) is a Japanese male racewalking athlete who competes in the 20 kilometres race walk.
He represented his nation at the 2016 Summer Olympics and was the 2014 World Junior champion.
[2] He also took a silver in the junior race behind Gao Wenkui at the 2014 IAAF World Race Walking Cup in China.
[3] Moving into the senior ranks he took bronze medals at the 2015 Asian Race Walking Championships and the 2015 Summer Universiade He started 2016 with a win at the Asian Race Walking Championships.
[4] He was selected to represent Japan at the 2016 Summer Olympics and placed seventh in the final.