Surname Tajuña (Tajuña 
) , around the world, is a rare cognomen. The cognomen Tajuña is characteristic of Southern Europe, particularly Spain, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tajuña | Spain |
El, Salones, Antonio, Sección, Grudesma-Morata, Talleres, Francisco, Residencia, and Ayuntamiento