奎伊县（Quay County, New Mexico）是美国新墨西哥州东部的一个县，东邻德克萨斯州。面积7,464平方公里。根据美国2000年人口普查，共有人口10,155人。县治图克姆卡里（Tucumcari）。

成立于1903年1月28日。县名支持该州成立的宾夕法尼亚州参议员马修·S·奎伊（Matthew Stanley Quay）。

Quay County (pronounced "kway") is a county located in the state of New Mexico. As of the 2010 census, the population was 9,041. Its county seat is Tucumcari. The county was named for Pennsylvania senator Matthew Quay, who supported statehood for New Mexico. It is west from the Texas state line.