Yoichi Kato (?? ??, Kato Yoichi, born August 12, 1976 in Oita) is a former volleyball player from Japan, who was one of the leading players in the Men's National Team in the early 2000s.
He played as a wing-spiker.
In 2003 he completed his first season for Sisley Treviso, who reached the final of the Italian League.