Gérard de Dainville (Girardus de Dainvilla; died 13 June 1378) was a prelate of the Holy Roman Empire from an illustrious family of Artois. He was made bishop of Arras in 1361, although he did not take up his see until 1362, was transferred to the diocese of Thérouanne in 1369 and finally transferred to Cambrai in 1371, solemnly entering the city on 8 May 1372. He is known as bishop Gerard III of Cambrai. In 1377, Gérard received the emperor in Cambrai. The next year he promised to submit to the Archbishop of Reims, but died before he could make good.