Philopator (Greek: Φιλοπάτωρ), meaning "father-loving", was a common royal epithet among Hellenistic monarchs:
Antiochus X Eusebes Philopator, Seleucid king
Ariarathes V Eusebes Philopator, King of Cappadocia
Ariarathes IX Eusebes Philopator, King of Cappadocia
Ariarathes VI Epiphanes Philopator, King of Cappadocia
Ariobarzanes II Philopator, King of Cappadocia
Arsinoe III Philopator, Queen of Egypt
Cleopatra VII Philopator, Queen of Egypt
Mithridates IV Philopator Philadelphos, King of Pontus
Ptolemy IV Philopator, King of Egypt
Ptolemy VII Neos Philopator, King of Egypt
Ptolemy XIII Theos Philopator, King of Egypt
Ptolemy XV Philopator Philometor Caesar, son of Cleopatra VII and Julius Caesar
Seleucus IV Philopator, Seleucid king
Strato III Soter Philopator, Indo-Greek king
It can also refer to:
Philopator I, Roman client king of Cilicia
Philopator II, Roman client king of Cilicia
Philopator (moth), a genus of moths in the List of zygaenid genera