Shirai is a Japanese surname. Notable people with the surname include:Hiroyuki Shirai , Japanese footballer Hiroshi Shirai , Japanese karateka, teaching in Italy Io Shirai , Japanese professional wrestler Kaiu Shirai , Japanese manga artist and writer Kenzō Shirai , Japanese gymnast Kosuke Shirai , Japanese footballer Mikio Shirai , Japanese keyboardist Mio Shirai , Japanese professional wrestler Mitsutaro Shirai , Japanese plant pathologist Noriyasu Shirai, survivor of China Airlines Flight 140 Rio Shirai , Japanese swimmer Takako Shirai , Japanese volleyball player Yoshio Shirai , Japanese boxer
