Cognomen Lehaj (Lehaj 
) , in all the world, is a rare family name. The family name Lehaj is habitual in Morocco, where it is a rare surname, Algeria, and New Zealand, where it is a very rare surname. Measured by absolute frequency, it is commonest in Morocco, Algeria, and the United Kingdom. Also, Lehaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lehaj | United Kingdom, Algeria, Morocco, India, New Zealand |