Masao

Masao may refer to:
 * Masao Akino
 * Masao Den
 * Masao Hirayama
 * Masao Hosoi
 * Masao Imanishi
 * Masao Ishiguro
 * Masao Minamiya
 * Masao Minowa
 * Masao Tomita
 * Masao Tsukamoto
 * Masao (Dairanger)
 * Masao (Kakuranger)
 * Masao (Ohranger)