Marija Vučinović (Cyrillic: Марија Вучиновић; born 30 January 1958) is a Montenegrin Croat nautical engineer and politician, Minister Without Portofolio in the Government of Montenegro in two terms, and former Member of the Parliament.
She was one of founders and a former leader of the centre-right minority politics party Croatian Civic Initiative (HGI), which she left in 2020.
In February 2019, following ideological disagreements[dubious – discuss] with the HGI membership, Vucinovic was removed from the post of party president by the party's main board, remaining a minister in the Montenegrin government.
In July 2020 she became one of the founders of the new Croatian minority interests Croatian Reform Party (Hrvatska Reformska Stranka, HRS), established when the centrist faction of the HGI defected from the party, and formed new political subject.
A newly formed party ran independently at the 2020 elections, competing for one Croatian parliamentary seat with the HGI.