Surname Ohtman (Ohtman 
) , in the world, is a rare last name. The cognomen Ohtman is characteristic of Northern Africa, particularly Morocco, where it is a rare surname, Libya, and Tunisia. In absolute terms, it is the most numerous in Morocco, Saudi Arabia, and Malaysia. More prevalently, Ohtman is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ohtman | Algeria, Morocco, Libya, Malaysia, Saudi Arabia |