Yoshiaki Numata (沼田 義明, Numata Yoshiaki, born April 19, 1945 in Hokkaidō, Japan) is a former world Junior Lightweight boxing champion.
Numata turned professional in 1962 and won the Lineal, WBC and WBA super featherweight world titles by defeating Flash Elorde by decision in 1967, although Numata was knocked down in the 3rd round.
In 1969 Numata moved up weight class to challenge undisputed lightweight champion Mando Ramos, he would lose via sixth round stoppage.
[2] In 1970 Numata captured the WBC super featherweight title with a decision over Rene Barrientos.
He defended the title three times before losing the belt to Ricardo Arredondo in 1971.