马六甲（又译麻六甲，马来语：Melaka，爪夷文：ﻣﻼﻙ‎，英语：Malacca，葡萄牙语：Malaca），简称甲州，是马来西亚的一个州，在马来半岛南部，濒临马六甲海峡，首府马六甲市，有古城之称。马六甲州面积1,650平方公里，人口约73万。

古时明史记载为满剌加，被葡萄牙侵占后，改称麻六甲。根据联合国教科文组织于2008年7月7日的加拿大魁北克当地时间上午9时30分（大马时间9时30分）召开的世界文化遗产大会，宣布马六甲市正式被列入世界遗产名录。

Malacca (Malay:Melaka), dubbed "The Historic State", is a state in Malaysia and located in the southern region of the Malay Peninsula, next to the Straits of Malacca.

It borders Negeri Sembilan to the north and Johor to the south. The capital is Malacca City, which is 148 kilometres (92 miles) south east of Malaysia's capital city Kuala Lumpur, 235 kilometres (146 miles) north west of Johor's largest city Johor Bahru, and 95 km (59 miles) north west of Johor's second largest city, Batu Pahat. This historical city centre has been listed as a UNESCO World Heritage Site since 7 July 2008.