Surname Rainal (Rainal 
) , globally, is a rare last name. The last name Rainal is habitual in Malaysia, where it is a rare surname, Indonesia, where it is a very rare surname, and France. Not in comparison with a country's population, it is commonest in Indonesia, Malaysia, and the United States. More prevalently, Rainal is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rainal | Malaysia, Indonesia, India, Brazil, United States |