波西尔城（英语：Bossier City；法语：Ville de Bossier），美国路易斯安那州波西尔县城市。2000年美国人口普查，全市共有56,461人口。波西尔城位于红河，毗邻它的姐妹城市什里夫波特。

Bossier City (/ˈboʊʒər/; French:Ville de Bossier) is a city in Bossier Parish, Louisiana, United States.

As of the 2010 census, Bossier City had a population of 61,315. The 2013 estimate was 66,333. Bossier City is located on the eastern bank of the Red River and is closely tied to its larger sister city Shreveport on the opposite bank. The Shreveport – Bossier City metropolitan area is the center of the region known as the Ark-La-Tex.