Nicolas Bernier (28 June 1664 – 5 September 1734) was a French composer.
He was born in Mantes-sur-Seine (now Mantes-la-Jolie), the son of Rémy Bernier and Marguerite Bauly. He studied with Antonio Caldara and is known for an Italian-influenced style. After Marc-Antoine Charpentier he is probably the most Italian-influenced French composer of this era, and replaced Charpentier as maître de musique des enfants at the Sainte-Chapelle in 1704. He died in Paris.