Randall County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 140,753. Its county seat is Canyon. The county was created in 1876 and later organized in 1889. It is named for Horace Randal, a Confederate brigadier general killed at the Battle of Jenkins Ferry. The reason the county name differs from his is because the bill creating the county misspelled Randal's name.

Canyon is a city in, and the county seat of, Randall County, Texas, United States. The population was 14,836 at the 2020 census. It is part of the Amarillo, Texas, metropolitan statistical area. Canyon is the home of the Panhandle–Plains Historical Museum, and the outdoor musical drama Texas.