Tartus Governorate (Arabic: مُحافظة طرطوس / ALA-LC: Muḥāfaẓat Ṭarṭūs) is one of the fourteen governorates (provinces) of Syria. It is situated in western Syria, bordering Lebanon to the south, the Mediterranean Sea to the west, Latakia Governorate to the north, and Homs and Hama Governorates to the east. It is one of the few governorates in Syria that has an Alawite majority. Sources list the area as 1,890 km² or 1,892 km². The governorate has a population of 785,000 (2010 estimate). The capital is Tartus.
The governorate was historically part of the Alawite State, which existed from 1920–1936.
The region has been relatively peaceful during the Syrian civil war that started in 2011.
According to recent estimations by Dr. Michael Izady, 11.8% of the population in Tartus Governorate are Christians.
The governorate is divided into five districts (manatiq):
These are further divided into 27 sub-districts (nawahi).