The Horatii and the Curiatii can refer to:
Horatii and Curiatii, two groups of brothers in ancient Roman legend The Horatians and the Curiatians, play by Bertholt Brecht Gli Orazi e i Curiazi, opera by Domenico Cimarosa (1796) Orazi e Curiazi, opera by Saverio Mercadante (1846)