Tadaoki
| Gender | Male |
|---|---|
| Origin | |
| Word/name | Japanese |
| Meaning | Different meanings depending on the kanji used |
Tadaoki (written: 忠興) is a masculine Japanese given name. Notable people with the name include:
- Hosokawa Tadaoki (細川 忠興) (1563–1646), Japanese daimyō
- Ōkubo Tadaoki (大久保 忠興) (1715–1764), Japanese daimyō