Shirai (written: or ) is a Japanese surname. Notable people with the surname include:

, Japanese footballer , Japanese karateka, teaching in Italy , Japanese professional wrestler , Japanese manga artist and writer , Japanese gymnast , Japanese footballer , Japanese musician , Japanese keyboardist , Japanese professional wrestler , Japanese plant pathologist Noriyasu Shirai, survivor of China Airlines Flight 140 , Japanese swimmer , Japanese volleyball player , Japanese boxer , Japanese voice actor

Fictional characters , a character in the manga Great Teacher Onizuka , the protagonist in the video game Blue Reflection , a character in the manga Love Hina , a character in the manga Urusei Yatsura , a character in Kamen Rider Blade , a side character in Toaru Majutsu no Index, and a supporting character in Toaru Kagaku no Railgun , a character in Wandering Son , a character in the manga Kodomo no Jikan

See also Shirai (grape), another name for the Azerbaijani wine grape Madrasa