Aulus Atilius Serranus was a Roman consul in the year 170 BCE, together with Aulus Hostilius Mancinus.
Atilius Serranus began as a praetor to the city of Rome in 173 BCE. The next year, he was charged with ensuring that a part of the Roman army in Brundusium was successfully moved to Macedonia in support of the Third Macedonian War by consul Gaius Popillius Laenas. After this, he was appointed consul in 170 BCE.