Cognomen Umlah (Umlah 
) , all over the world, is a rare surname. The last name Umlah is habitual in Canada, where it is a rare surname, New Zealand, and Malaysia, where it is a very rare surname. In absolute terms, it most frequently occurs in the United States, Canada, and Philippines. Much less frequently, Umlah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Umlah | Canada, Philippines, United States, Malaysia, India |