Ōtomo no Yakamochi ( c. 718 – October 5, 785) is a Japanese statesman and waka poet in the Nara period.

He is a member of the Thirty-six Poetry Immortals.

He was born into the prestigious Ōtomo clan; his grandfather is Ōtomo no Amaro and his father is Ōtomo no Tabito.

Ōtomo no Kakimochi is his younger brother, and Ōtomo no Sakanoe no Iratsume his aunt.