Ogallah is a census-designated place (CDP) in Trego County, Kansas, United States.

[2] It is located approximately 7 miles east of WaKeeney.

Ogallah was named for the Oglala Lakota tribe.

[4] The climate in this area is characterized by hot, humid summers and generally mild to cool winters.

This article about a location in Trego County, Kansas is a stub.