莫特利县（Motley County, Texas）位美国德克萨斯州西北部的一个县。面积2,564平方公里。根据美国2000年人口普查，共有人口1,426人。县治马特多（Matador）。

成立于1876年8月21日，县政府成立于1891年2月25日。县名纪念在圣哈辛托之役中阵亡的《德克萨斯独立宣言》签署人朱尼厄斯·威廉·莫特利（Junius William Mottley，县名的拼法为命名时之手民之误）。

Motley County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 1,210, making it the tenth-least populous county in Texas. Its county seat is Matador. The county was created in 1876 and organized in 1891. It is named for Junius William Mottley, a signer of the Texas Declaration of Independence. Mottley's name is spelled incorrectly because the bill establishing the county misspelled his name. Motley County is one of thirty prohibition, or entirely dry, counties in the state of Texas.