Masaaki Koike (小池 正晃, Koike Masaaki, born April 20, 1980 in Yokohama, Kanagawa, Japan) is a professional Japanese baseball player. Koike played outfield...

player Masaaki Koido (小井土 正亮, born 1978), Japanese footballer Masaaki Koike (小池 正晃, born 1980), Japanese baseball player Masaaki Koyama (小山 正明, born 1934)...