Lionel Bringuier born 24 September 1986, Nice, is a French conductor, cellist and pianist.
Bringuier is the fourth child in a family of musicians, including his brother Nicolas Bringuier, a pianist. At age 5, Bringuier began musical studies at the Nice conservatory, where he won several first prizes. At age 13, in February 2000, he was admitted to the Conservatoire national supérieur de musique et de danse de Paris, where he continued his studies in cello and in conducting. His teachers there have included Philippe Muller. At the Conservatoire de Paris, he then began conducting studies, where his teachers included Zsolt Nagy. Bringuier graduated cum laude from the Conservatoire de Paris with diplomas in cello studies and conducting in June 2004. Bringuier has performed in a cello-piano duo with his brother Nicolas.
In 2005, Bringuier became assistant conductor with the Ensemble orchestral de Paris. That same year, he won the 49th International Besançon Competition for Young Conductors. In 2007, Bringuier became associate conductor of the Orchestre National de Bretagne.