| Country: | Romania |
| Birth Date: | 29 April 1976 |
| Birth Place: | Târgu Cărbunești, Romania |
| International Master (1999) | |
| Peakrating: | 2472 (July 2007) |
| Fideid: | 1204149 |
Mihai-Lucian Grünberg (born April 29, 1976) is a Romanian International Master in chess and the champion of Romania (2003).[1]
He is the son of Sergiu-Henric Grünberg, a former Romanian chess champion. In 2005, Grünberg represented Romania at the Maccabiah Games.