奥希尔特里县（Ochiltree County, Texas）是美国德克萨斯州北部狭地的一个县，北邻奥克拉荷马州。面积2,378方公里。根据美国2000年人口普查，共有人口9,006人。县治培里敦（Perryton）。

成立于1876年8月21日，县政府成立于1889年2月21日。本县纪念历任德克萨斯共和国财政部长、司法部长的威廉·B·奥希尔特里（William Beck Ochiltree）。本县为一禁酒的县。

Ochiltree County (/ˈɔːkəlˌtri/ OCK-əl-tree) is a county located in the U.S. state of Texas. As of the 2010 census, its population was 10,223. The county seat is Perryton. The county was created in 1876 and organized in 1889. and is named for William Beck Ochiltree, who was the Attorney General of the Republic of Texas. It was previously one of 30 prohibition or entirely dry counties in the state of Texas.