Family name Jalajas (Jalajas 
) , all around the world, is a very rare cognomen. The cognomen Jalajas is habitual in Estonia, where it is quite a rare surname, the United States, where it is an extremely rare surname, and Canada. More frequently, Jalajas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jalajas | Estonia, United States, India, Canada |
| jakob jalajas (b. 1869) |
|
|
| oskar jalajas (b. 1894) |
|
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| erich jalajas EE (b. 1912) |
|