罗加兰（挪威语：Rogaland  聆听）是挪威西南部的一个郡，首府为斯塔万格。罗加兰郡面积9378平方公里，人口405,566（2007年），是挪威人口第4大郡。

罗加兰郡有26个自治市，如下：

Rogaland [ˈruːɡɑˈlɑn]  ( listen) is a county in Western Norway, bordering Hordaland, Telemark, Aust-Agder and Vest-Agder. It is the center of the Norwegian petroleum industry, and as a result of this, Rogaland has the lowest unemployment rate of any county in Norway, 1.1%. Rogaland has a fertility rate of 2.18 children per woman, which is the highest in the country, and one of the highest in Europe.