Nicomachus (c. 60 – c. 120) was a mathematician and Pythagorean philosopher from Gerasa.
Nicomachus may also refer to: Nicomachus (mythology) Nicomachus (scribe) (c. 410 BC), scribe tasked with publishing the laws of Solon Nicomachus of Thebes (4th century BC), ancient Greek painter Nicomachus (father of Aristotle) (c. 375 BC), father of the philosopher Aristotle Nicomachus (son of Aristotle) (c. 325 BC), son of the philosopher Aristotle Nicomachus of Macedon, eromenos of Dimnus, conspirator against Alexander the Great Appius Nicomachus Dexter (), politician of the Western Roman Empire Gaius Asinius Nicomachus Julianus (born c. 185), Proconsul in Asia in the 3rd century Rufius Petronius Nicomachus Cethegus (, politician of Ostrogothic Italy and the Eastern Roman Empire
See also Nicomachus Flavianus (disambiguation) Nicomachus theorem Nicomachean Ethics Nichomachus