Berenicidae

Berenicidae or Berenikidai ({{langx|grc|Βερενικίδαι}}) was a deme of ancient Attica, of the tribe of Ptolemais, sending one delegate to the Athenian Boule.{{cite web|first=Hans|last=Lohmann|publisher=Brill's New Pauly|title=Berenicidae

|date=October 2006 |url=https://referenceworks.brillonline.com/entries/brill-s-new-pauly/berenicidae-e215500|accessdate=October 12, 2018}} It was established in 224/3 BCE and named after Berenice II of Egypt, wife of Ptolemy II, after whom the tribe was named.

Its site is unlocated,{{Cite Barrington|59}} but probably near Eleusis, as inscriptions referring to the place have been found in the vicinity.