Tahlequah
- Country: United States
- State: Oklahoma
- Population: 16,741 (2016)
- Latitude: 35° 54.9' N (35.91537°)
- Longitude: 94° 58.2' W (-94.96996°)
- Elevation: 243 m/799 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)