The Battle of Negapatam was the third in a series of battles fought between a British fleet, under Vice-Admiral Sir Edward Hughes, and a French fleet, under the Bailli de Suffren, off the coast of India during the American Revolutionary War. The battle was fought on 6 July 1782. Though the battle was indecisive, Suffren was stopped in his goal by Hughes and withdrew to Cuddalore, while the British remained in control of Negapatam.

Brillant was a 64-gun Solitaire-class ship of the line of the French Navy.