| Type: | commune |
| County: | Mureș |
| Ideciu de Jos | |
| Leader Name: | Lucian-Laurean Feier |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 46.8°N 69°W |
| Elevation: | 381 |
| Area Total: | 42.70 |
| Population Total: | auto |
| Postal Code: | 547360 |
| Area Code: | (+40) 02 65 |
Ideciu de Jos (Hungarian: Alsóidecs, Hungarian pronunciation: NaNa) is a commune in Mureș County, Transylvania, Romania. It is composed of three villages: Deleni (Oroszidecs), Ideciu de Jos, and Ideciu de Sus (Felsőidecs). The route of the Via Transilvanica long-distance trail passes through the villages of Ideciu de Sus and Deleni.[1]
At the 2021 census, the commune had a population of 1,998, of which 86.29% were Romanians and 4.4% Hungarians.[2]