Philaster may refer to:
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Philastrius
Philastrius (also Philaster or Filaster) Bishop of Brescia, was one of the bishops present at a synod held in Aquileia in 381. Augustine of Hippo met him at Milan about 383, or perhaps a little later (St. Augustine, ''Ep.'' ccxxii). He composed a c ...
(died 390s), bishop of Brescia in the fourth century
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''Philaster'' (play), play by Francis Beaumont and John Fletcher, published in 1620
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''Philaster'' (genus), a genus of ciliates in the family
Philasteridae
{{disambiguation