List of Oklahoma counties and county seats:
- Adair County : Stillwell
- Alfalfa County : Cherokee
- Atoka County : Atoka
- Beaver County : Beaver
- Beckham County : Sayre
- Blaine County : Watonga
- Bryan County : Durant
- Caddo County : Anadarko
- Canadian County : El Reno
- Carter County : Ardmore
- Cherokee County : Tahlequah
- Choctaw County : Hugo
- Cimarron County : Boise City
- Cleveland County : Norman
- Coal County : Coalgate
- Comanche County : Lawton
- Cotton County : Walters
- Craig County : Vinita
- Creek County : Sapulpa
- Custer County : Arapaho
- Delaware County : Jay
- Dewey County :
- Ellis County :
- Garfield County :
- Garvin County :
- Grady County : Chickasha
- Grant County :
- Greer County :
- Harmon County :
- Harper County :
- Haskell County :
- Hughes County :
- Jackson County :
- Jefferson County :
- Johnston County :
- Kay County County :
- Kingfisher County :
- Kiowa County :
- Latimer County :
- Le Flore County :
- Lincoln County :
- Logan County :
- Love County :
- Major County :
- Marshall County :
- Mayes County :
- McClain County :
- McCurtain County :
- McIntosh County :
- Murray County :
- Muskogee County :
- Noble County :
- Nowata County :
- Okfuskee County :
- Oklahoma County :
- Okmulgee County :
- Osage County :
- Ottawa County :
- Pawnee County :
- Payne County :
- Pittsburg County :
- Pontotoc County :
- Pottawatomie County :
- Pushmataha County :
- Roger Mills County :
- Rogers County :
- Seminole County :
- Sequoyah County :
- Stephens County :
- Texas County :
- Tillman County :
- Tulsa County : Tulsa
- Wagoner County :
- Washington County :
- Washita County :
- Woods County :
- Woodward County :