沙维什县（英语：Chaves County, New Mexico）是美国新墨西哥州东南部的一个县，面积15,734平方公里。根据2010年人口普查，沙维什县共有人口61,382人。沙维什县的县治为罗斯威尔，而罗斯威尔系以1947年罗斯威尔飞碟坠毁事件闻名于世。

沙维什县成立于1889年2月25日。县名纪念该州国会代表何西·F·沙维什（Jose Francisco Chaves）。沙维什县是于1889年2月25日由领土立法机关成立，且沙维什县是独立自林肯县。

Chaves County is a county located in the U.S. state of New Mexico. As of the 2010 census, the population was 65,645. Its county seat is Roswell. Chaves County was named for Colonel Jose Francisco Chaves, a military leader here during the U.S. Civil War and later in Navajo campaigns. Created by Territorial Legislature, February 25, 1889, out of land from the county of Lincoln.