Tadanori
| Gender | Male | 
|---|---|
| Origin | |
| Word/name | Japanese | 
| Meaning | Different meanings depending on the kanji used | 
Tadanori (written: 忠則, 忠度, 忠教, 忠憲, or 忠礼) is a masculine Japanese given name. Notable people with the name include:
- Ishiguro Tadanori (石黒 忠悳; 1845–1941), Imperial Japanese Army officer
 - Tadanori Koshino (越野 忠則; born 1966), Japanese judoka
 - Kujō Tadanori (九条 忠教; 1248–1332), Japanese kugyō
 - Ōkubo Tadanori (大久保 忠礼; 1842–1897), Japanese daimyō
 - Taira no Tadanori (平 忠度; 1144–1184), Japanese samurai
 - Torii Tadanori (鳥居 忠則; 1646–1689), Japanese daimyō
 - Tadanori Usami (宇佐美 忠則), Japanese adult video director
 - Tadanori Yokoo (横尾 忠則; born 1936), Japanese artist and illustrator