Euthymides was an ancient Athenian potter and painter of vases, primarily active between 515 and 500 BC. He was a member of the Greek art movement later to be known as the Pioneer Group for their exploration of the new decorative style known as red-figure pottery. Euthymides was the teacher of another Athenian red-figure vase painter, the Kleophrades Painter. An unsigned two-handled amphora (Boston 63.1515) is attributed to the "circle of Euthymides".