Eporeodon is an extinct genus of oreodont belonging to the family Merycoidontidae.

It lived from the Oligocene epoch 30.8—24.8 mya) existing for approximately 6 million years.

[1] The species of the genus are among the largest members of the family Merycoidontidae.

About the size of a sheep, its fossils are also some of the largest found in the Badlands.

Promesoreodon Schultz and Falkenbach, 1949 is a junior synonym of this genus.