Teiko Nanahara
- Born
- 14 October 1996 (29 years)
- Place of birth
- Tokyo, Japan
- Gender
- Female
Teiko Nanahara (七原 帝子, Nanahara Teiko, born October 14, 1996) is a Japanese voice actress and singer born in Tokyo. She is affiliated with Crocodile. She formerly belonged to Stardust Promotion. Her former stage names are Teiko (帝子) and Teiko Kagohara (籠原 帝子).
