马萨瓦（阿拉伯语：مصوع‎）是厄立特里亚北红海区的一座港口城市，位于红海畔。

Massawa, also known as Mitsiwa, Miṣṣiwa), Batsiʿ, is a city on the Red Sea coast of Eritrea located at the northern end of the Gulf of Zula beside the Dahlak Archipelago. An important port for many centuries, it was ruled by a succession of polities, including the Axumite Empire, Medri Bahri Kingdom, the Umayyad Caliphate, various Beja sultanates, the Ottoman Empire, Egypt, Italy, Britain, and Ethiopia, until Eritrea's independence in 1991. Massawa was the capital of the Italian Colony of Eritrea until this was moved to Asmara in 1897.