莫斯塔尔（波士尼亚语：Mostar、克罗地亚语：Mostar、塞尔维亚语：Мостар）是位于波斯尼亚和黑塞哥维纳的一座城市，也可以指城市所在的行政区。在波黑的两个的政治实体中，莫斯塔尔属波士尼亚与赫塞哥维纳联邦。另外，莫斯塔尔是赫塞哥维纳-涅雷特瓦州的首府，黑塞哥维那地区最大的中心都市，波黑国内第五大都市。内雷特瓦河流经市内。在波黑战争期间，莫斯塔尔被实际上独立的克罗地亚赫塞哥波士尼亚共和国定为首都（但由于政治形势，实际上的首都是莫斯塔尔近郊的古尔德）。

Mostar (Cyrillic: Мостар) is a city and municipality in southern Bosnia and Herzegovina. Inhabited by 113,169 people, it is the most important city in the Herzegovina region, its cultural capital, and the center of the Herzegovina-Neretva Canton of the Federation. Mostar is situated on the Neretva River and is the fifth-largest city in the country. Mostar was named after the bridge keepers (mostari) who in the medieval times guarded the Stari Most (Old Bridge) over the Neretva. The Old Bridge, built by the Ottomans in the 16th century, is one of Bosnia and Herzegovina's most recognizable landmarks, and is considered one of the most exemplary pieces of Islamic architecture in the Balkans.