Around the world, สมนันท์ (Samnan 
, Somnan 
, สมนันท์ ) is a rare dominantly male, but uncommonly female first name. The first name สมนันท์ is characteristic of Saudi Arabia, where it is a very rare masculine name, Thailand, where it is a very rare gender-neutral name, and Pakistan, where it is an extremely rare masculine name. In absolute terms, it is the most numerous in India, Saudi Arabia, and Thailand. Also, สมนันท์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Samnan | Saudi Arabia, Bangladesh, Pakistan, Morocco, India |
| Somnan | United States, India, Thailand |
| สมนันท์ | Thailand |