Monastir Governorate (Arabic: ولاية المنستير Wilāyat Munastīr pronounced [munæsˈtiːr]; French: Gouvernorat de Monastir) is one of the twenty-four governorates of Tunisia. It is situated in the center-east of Tunisia. It covers an area of 1,019 km² (393 mi²) and has a population of 599,769 (2024 census). The capital is Monastir. The economy of the Monastir governorate is based primarily on agriculture (especially olive growing). Eighty-six percent of the land is reserved for agriculture. However, it is industry that employs the most people. The governorate has approximately 1,200 industrial companies, most of which work in the textile sector, mainly exporting to European Union countries. These factories are located mainly around Ksar Hellal and Bembla; these towns account for 83% of the region's industrial jobs.

The governorate is divided into thirteen delegations (mutamadiyat), listed below with their populations at the 2004 and 2014 censuses:

The following cities and towns are located in the Monastir Governorate: