Philopator (), meaning "father-loving", was a common royal epithet among Hellenistic monarchs:

Ptolemy IV Philopator, King of Egypt Ptolemy VII Neos Philopator, King of Egypt Ptolemy XIII Theos Philopator, King of Egypt Cleopatra VII Philopator, Queen of Egypt Ptolemy XV Philopator Philometor Caesar, son of Cleopatra VII and Julius Caesar

Arsinoe III Philopator, Queen of Egypt

Seleucus IV Philopator, Seleucid king Antiochus X Eusebes Philopator, Seleucid king

Ariarathes V Eusebes Philopator, King of Cappadocia Ariarathes VI Epiphanes Philopator, King of Cappadocia Ariarathes IX Eusebes Philopator, King of Cappadocia Ariobarzanes II Philopator, King of Cappadocia

Mithridates IV Philopator Philadelphos, King of Pontus

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 family Zygaenidae

See also Eupator (disambiguation) Philometor (disambiguation) Philadelphos (disambiguation)