| Type: | commune |
| County: | Maramureș |
| Rona de Jos | |
| Leader Name: | Ion Herbil |
| Leader Party: | PSD |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 47.9167°N 25°W |
| Elevation: | 330 |
| Area Total: | 22.73 |
| Population Total: | auto |
| Postal Code: | 437245 |
| Area Code: | (+40) 02 62 |
Rona de Jos (Hungarian: Alsóróna, Yiddish: אונטר-רינה|Inter Rina) is a commune in Maramureș County, Maramureș, Romania. It is composed of a single village, Rona de Jos.
The commune is located in a hilly area in the northern part of the county, from the river Tisza and the Ukrainian border. The river Rona, a right tributary of the Iza, flows through the commune. The nearest city is Sighetu Marmației, 8km (05miles) to the west; the county seat, Baia Mare, is to the southwest.
Rona de Jos is crossed by national road, which starts in Baia Mare, runs through Sighetu Marmației and Borșa, and ends in Iacobeni, Suceava.
The commune neighbors the following localities: Crăciunești, Tisa, and Sighetu Marmației to the west and southwest, Vadu Izei and Valea Stejarului to the south, Lunca la Tisa and Valea Vișeului to the north, and Rona de Sus to the east.[1]
According to the 2021 census, Ronda de Jos has a population of 1,928, of which 93% are Romanians.[2]