波什格伦（挪威语： Porsgrunn）是挪威的一座城市，位于泰勒马克郡。

泰勒马克郡行政区划 班布勒 伯 特朗厄达尔 菲勒斯达尔 亚特达尔 克拉格勒 克维特塞德 尼瑟达尔 诺默 诺托登 波什格伦 赛于赫拉 赛尔尤尔 锡利扬 希恩 蒂恩 托克 维尼耶

 Porsgrunn  is a city and municipality in Telemark county, Norway. It is part of the traditional region of Grenland. The administrative centre of the municipality is the city of Porsgrunn.

The municipality of Porsgrunn was established on 1 January 1838 (see formannskapsdistrikt). The town of Brevik and the rural district of Eidanger were merged into the municipality of Porsgrunn on 1 January 1964.