| Torii Tadanori | |
| Nationality: | Japanese |
| Order: | Lord of Takatō |
| Term Start: | 1663 |
| Term End: | 1689 |
| Predecessor: | Torii Tadaharu |
| Successor: | Naitō Kiyokazu |
was a Japanese daimyō of the early Edo period who ruled the Takatō Domain in Shinano Province (modern-day Nagano Prefecture). Tadanori was the son of Torii Tadaharu, the previous lord. He succeeded to family headship upon his father's death; however, he continued his father's draconian rule of the Takatō domain. During the shogunate's investigation into a scandal involving Takatō retainer Takasaka Gonbei, Tadanori was ordered confined to his residence in Edo; he died during his confinement. The Takatō domain was confiscated from the Torii family; however, as the Torii family was a famed fudai family dating back to Torii Mototada, Tadanori's heir Tadateru was granted four districts in Noto Province, and made the lord of the Shimomura Domain.
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