In Greek mythology, Thaumas (Θαῦμας; gen.: Θαύμαντος) (English translation: "wonder") was a sea god, son of Pontus and Gaia. He married an Oceanid, Electra, and was the father of the Harpies and Iris, the goddess of rainbows and messenger of the gods. Thaumas was also the name of a centaur.