Liviidae is a family of plant lice (order Hemiptera), with about 19 genera.

[1][2][3][4][5] There have been various classifications of Psylloidea including that of Burckhardt and Ouvrard (2012);[6] in the latest (2021) review,[1] three monophyletic subfamilies were identified: Authority: Burckhardt D, Ouvrard D, Percy DM (2021)[1] Authority: Löw, 1879; synonyms: Paurocephalini Vondráček, 1963, Diclidophlebiini Bekker-Migdisova, 1973, Camarotosceninae Li, 2011, Liviini Löw, 1879[6]: 168 , Sinuonemopsyllinae Li, 2011 Note: in the same review, a number of genera were transferred to Psyllidae, including the subfamilies Ciriacreminae (3 genera), Diaphorininae (2 genera), Katacephalinae subfam.

nov. (4 genera) and the genus Cornopsylla to the Psyllinae.