| Tokudaiji Sanesada 徳大寺実定 | |
| Birth Date: | 1139 |
| Death Date: | 1192 |
| Nationality: | Japanese |
| Occupation: | nobleman, politician |
was a Japanese waka poet and nobleman during the Heian period.
He is also known as the, having served as Sadaijin in the Heian imperial administration.
One of his poems is included in Hyakunin Isshu: