达尔斯兰（Dalsland）是位于瑞典西南部，约塔兰地区的一个旧省。与布胡斯、西约特兰、韦姆兰和挪威陆上接壤。

Dalsland is a Swedish traditional province, or landskap, situated in Götaland in southern Sweden. Lying to the west of Lake Vänern, it is bordered by Värmland to the north, Västergötland to the southeast, Bohuslän to the west, and Norway to the northwest.