Family name Lejárraga (Lejárraga 
) , across the world, is a very rare last name. The cognomen Lejárraga is characteristic of Southern Europe, particularly Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lejárraga | Spain |
|
maría de la o lejárraga y garcía Spanish politician and writer, ES (b. 1874) |
|
| tarsicio lejárraga ES (b. 1914) |
|
|
| diego neria lejárraga ES (b. 1967) |
|