阿尔卡纳尔（加泰罗尼亚语：Alcanar），是西班牙加泰罗尼亚塔拉戈纳省的一个市镇。总面积47平方公里，总人口8032人（2001年），人口密度171人/平方公里。

Alcanar (Catalan pronunciation: [əɫkəˈna]) is a Spanish municipality of the Catalan comarca of Montsià, in the Tarragona province. It is a coastal town on the Mediterranean Sea. The Serra del Montsià range and its foothills rises above the town and its surroundings. According to data from 2006 its population is 9,620 inhabitants, although this increased the next year, to 9,969. It is the southernmost town in Catalonia, located just north of the border with the municipality of Vinaròs which is in the province of Castellón and part of the region of Valencia.