The recent knowledge on the Ortoptera fauna of the Mátra Mountains is summarised. The formerly published 197 data of 51 species from the Mátra are overviewed and complemented with results of our faunistic research carried out between 1948 and 2020. Altogether 3638 data of 85 species from 357 localities in the Mátra are published here. Nine species are protected by law (Arcyptera microptera, Celes variabilis, Gampsocleis glabra, Isophya modesta, Podisma pedestris, Poecilimon intermedius, Polysarcus denticauda, Saga pedo, Stenobothrus eurasius), and two more are strictly protected (Isophya costata, Paracaloptenus caloptenoides) in Hungary
