Xenophilus or Xenophilos may refer to:
Xenophilus (5th century BC), playwright who won the Lenaia with a comedy Xenophilus (philosopher) (4th century BC), Pythagorean philosopher and music theorist Xenophilus (phrourarch) (4th century BC), Macedonian governor of Susa Xenophilus (historian) (3rd century BC), author of a lost history of Lydia Xenophilus (bacterium), genus