Taishi (written: , , , or ) is a masculine Japanese given name. Notable people with the name include:
, Japanese professional baseball infielder , Japanese sumo wrestler , Japanese professional baseball player , Japanese footballer , Japanese manga artist , Japanese voice actor , Japanese actor , Japanese professional baseball player , Japanese freestyle wrestler , Japanese football player , Japanese professional footballer , Japanese professional baseball outfielder , Japanese volleyball player , Japanese professional footballer , Japanese football player , Japanese footballer , Japanese professional wrestler , Japanese footballer , Japanese football player