Ideciu de Jos (, <small>Hungarian pronunciation</small>: ) is a commune in MureàCounty, Transylvania, Romania. It is composed of three villages: Deleni (Oroszidecs), Ideciu de Jos, and Ideciu de Sus (Felsà Âidecs). The route of the Via Transilvanica long-distance trail passes through the villages of Ideciu de Sus and Deleni.
At the 2021 census, the commune had a population of 1,998, of which 86.29% were Romanians and 4.4% Hungarians.