Marcoantonio is of Italian origin, derived from the Latin name Mark and Anthony combined. It means 'dedicated to Mars', the Roman god of war. The name Marcoantonio has been used historically in Italy, often among nobility, but it is not as common today. It consists of two distinct names, Marco and Antonio, each with their own meanings and histories. Marco is derived from the Latin name Marcus, which means 'warlike'. Antonio is also of Latin origin, meaning 'priceless' or 'highly praiseworthy'. Thus, Marcoantonio can be interpreted as 'dedicated to Mars, priceless'. The name Marcoantonio has been borne by several historical figures, including Marco Antonio de Dominis, a 17th-century Croatian bishop and mathematician.
The name Marcoantonio experienced a notable surge in popularity between the late 1980s and mid-1990s, with peak years being 1990 (44 births) and 1997 (88 births). However, it has since seen a significant decline, with recent years showing fewer than 20 births annually. Overall, there have been 1515 births with this name from 1972 to 2023.