ピコ (PIKO) is a Japanese singer. He is a popular singer on ニコニコ動画 / Nico Nico Douga, a Japanese video sharing site. He is called a “Ryoseirui(両声類)”, which means that he has the range and tone of both a male and female. He debuted as an indie singer in 2007 when he uploaded a cover of Hatsune Miku's Melt onto Nico Nico Douga. He signed with Ki/oon Records, a subsidary of Sony, in 2010 and will now face the challenge of being a major singer.

He was born in Hyogo Prefecture.