Sadaharu

Sadaharu (written: 貞治) is a masculine Japanese given name. Notable people with the name include:


 * Sadaharu Aoki (青木 定治), Japanese Pastry chef with boutique in Paris
 * Sadaharu Oh (王貞治), Japanese-Taiwanese baseball player and manager
 * Sadaharu Tanikawa (谷川 貞治), Japanese journalist
 * Sadaharu Yagi, Japanese-born record producer, mixing engineer and recording engineer