| Aoyama Tadanaga | |
| Nationality: | Japanese |
| Order: | Daimyō of Sasayama |
| Term Start: | 1835 |
| Term End: | 1862 |
| Predecessor: | Aoyama Tadayasu |
| Successor: | Aoyama Tadatoshi |
| Birth Date: | May 27, 1806 |
was a Japanese daimyō of the late Edo period, who ruled the Sasayama Domain. He served as a rōjū in the Tokugawa shogunate.