
Appius Servilius Marsus (25 BC-September 9 AD) was a Roman Army cavalry officer who commanded a century of 80 auxiliary cavalry under Publius Quinctilius Varus during the early Imperial campaigns in Germania. In September of 9 AD, he was killed at the Battle of the Teutoburg Forest, during which his cavalrymen slew several Germanic warriors during Varus' failed breakout attempt.