Epameinondas Thomopoulos (Greek: Επαμεινώνδας Θωμόπουλος, 1878 - January 4, 1976) was a Greek artist who attended the academy and the first Greek impressionist.

He studied drawing in Italy.

Most of his works and drawings are related with nature.

Many of these are preserved in the Patras city hall and the National Gallery of Greece.

In 1996, the city of Patras awarded a large spot in the National Gallery of the city.