Basil Skleros (Greek: Βασίλειος Σκληρός) was a Byzantine aristocrat and provincial governor in the early 11th century. Basil was the son of the magistros , a son of the rebel general Bardas Skleros who became a close advisor to Emperor Basil II (r. 976–1025). He married with Pulcheria, a sister of the future emperor Romanos III Argyros (r. 1028–1034). The couple had a daughter, who already during the reign of Basil II married another future emperor, Constantine IX Monomachos (r. 1042–1055).