- Nilanshi Patel
- 200 centimetre(s)
- India (Modasa)
The longest hair ever on a teenager is 200 cm (6 ft 6.7 in) and was achieved by Nilanshi Patel (India), in Modasa, Gujarat, India on 29 July 2020.
Nilanshi held the record for longest hair on a teenager three times before reaching the age of 18.