Achilidae is a family of planthoppers, sometimes called "achilids" in the order Hemiptera.

There are at least 520 described species in Achilidae.

[2][3][4][5][6] Fulgoromorpha Lists on the Web (FLOW)[7] includes 3 subfamilies: Authority: Stål, 1866 - 2 tribes Authority: Metcalf, 1938 - 4 monotypic tribes Authority: Fennah, 1950 - 6 tribes GBIF[8] also includes the following genera that may have doubtful placement: