Potamon (around 65 BC–around AD 25) was a rhetorician in the Greek city of Mytilene who was active around the same time of . When his son was killed, according to Seneca the Elder, he delivered a speech on the suasoria relating to the Spartans deliberating whether to flee Thermopylae wherein he exhorted the Spartans against flight, in contrast to his rival Lesbocles, who shut down his school of rhetoric after the death of his son. His city sent him on embassies to Rome in 45 and 25 BC.