Mačvanska Mitrovica (Serbian Cyrillic: Мачванска Митровица, pronounced [mât͡ʃv̞anskaː mîtrɔv̞it͡sa]) is a town located in the Sremska Mitrovica municipality, in the Srem District of Serbia.

The town has a Serb ethnic majority and its population numbering 3,873 people (2011 census).

In Serbian, the town is known as Mačvanska Mitrovica (Мачванска Митровица), in Croatian as Mačvanska Mitrovica, and in Hungarian as Szenternye.

Together with the neighbouring villages of Noćaj, Salaš Noćajski, Radenković, Ravnje and Zasavica II, the town of Mačvanska Mitrovica is the only town in Vojvodina located in the Mačva region, i.e. on the right bank of the river Sava, and thus on the Balkan Peninsula.

This Syrmia District, Vojvodina location article is a stub.