Reticularia

Reticularia may refer to:
 * Reticularia (protist) Bull., 1788, a genus of protists
 * Reticularia Baumg., 1790, nom. illeg., synonym of Lobaria (Lobariaceae, Fungi)
 * Reticularia (brachiopod) M'Coy, 1844, a genus of Paleozoic Brachiopoda (Silurian to Permian)
 * Reticularia Carpenter, 1861, 1862, synonym of Foraminifera (Rhizaria, Chromista)
 * Reticularia M.O.P.Iyengar, 1975, nom. illeg., replaced by Ecballodictyon (Palmellaceae, Chlorophyta, Plantae)