Mărășești (Romanian pronunciation: [mərəˈʃeʃtʲ]) is a small town in Romania in Vrancea County. It is 20 km (12 mi) north of Focșani. It administers six villages: Călimănești, Haret, Modruzeni, Pădureni, Siretu and Tișița.
King Milan I of Serbia was born in Mărăşeşti on 22 August 1854.
In 1917 during World War I, the Battle of Mărăşeşti between the Kingdom of Romania and the German Empire was fought near the town. A mausoleum containing the remains of 5,073 Romanian soldiers was built to commemorate the Romanian victory.