Cognomen Jontan (Jontan 
) , around the globe, is a very rare surname. The family name Jontan is characteristic of South Africa, where it is a very rare surname, Argentina, and Israel. Measured by absolute frequency, this name is the most popular in South Africa, India, and Argentina. More frequently, Jontan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jontan | South Africa, Spain, Malaysia, India, Argentina |