Aubert of Cambrai was a 7th-century Merovingian bishop who oversaw the combined sees of Arras and Cambrai. Born around 600 AD in Austrasia, he was consecrated as bishop on March 24, 633, following the tenure of Aldebert. During his long leadership, he played a significant role in spreading Christianity among the Frankish nobility and supporting religious education in regions such as Flanders and Hainaut. He died in Cambrai between 668 and 669 AD, leaving a lasting influence on the ecclesiastical landscape of the era.