All around the world, ตนุสรณ์ (ตนุสรณ์ 
) is a very rare predominantly masculine, but very infrequently female first name. The forename ตนุสรณ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare principally male, but very seldom girly name.
| VARIANT | COUNTRY |
|---|---|
| ตนุสรณ์ | Thailand |
ใจแข็ง, ยะโกะ, เลิศวรกุลชัย, and จันทร์ศุภกุล