马佐夫舍省（Województwo mazowieckie）是波兰的一个省，位于该国中部偏东。面积35,579平方公里。2006年人口为5,136,000人，皆居全国第一。首府华沙也是波兰的首都。

1999年由原华沙省、普沃茨克省、切哈努夫省、奥斯特罗文卡省、拉多姆省和谢德尔采省合并而成。下分4市38县、314乡镇。

Masovian Voivodeship or Mazovia Province (Polish:województwo mazowieckie [vɔjɛˈvutstfɔ mazɔˈvjɛtskʲɛ]), is the largest and most populous of the sixteen Polish provinces, or voivodeships, created in 1999. It occupies 35,579 square kilometres (13,737 sq mi) of east-central Poland, and has 5,324,500 inhabitants. Its principal cities are Warsaw (1.729 million) in the centre of the Warsaw metropolitan area, Radom (226,000) in the south, Płock (127,000) in the west, Siedlce (77,000) in the east, and Ostrołęka (55,000) in the north. The capital of the voivodeship is the national capital, Warsaw.