Lumina (Romanian for "the light") is a commune in Constanța County, Northern Dobruja, Romania. The commune includes three villages:

Demographics

At the 2021 census Lumina had a population of 10,770 with a majority of Romanians (72.31%) and minorities of Tatars (2.35%), Roma (2.27%), Turks (0.24%), Lipovans (0.11%), Germans (0.05%), Bulgarians (0.03%), others (0.27%) and unknown (22.37%). At the 2011 census, Lumina had 7,619 Romanians (93.82%), 104 Roma (1.28%), 95 Turks (1.17%), 282 Tatars (3.47%), 4 Aromanians (0.05%), 17 others (0.21%). A large community of Csángó Hungarians lives in the village of Oituz.