Symmachus can refer to several different people of Roman antiquity.

• Symmachus the Ebionite (late 2nd century CE), was the author of one of the Greek versions of the Old Testament.
• Quintus Aurelius Symmachus, c.340–c.402, was a Roman politician.

Or:

• Pope Symmachus, pope from 498 to 514.

Symmachus | Symmaque | Symmachus