Surname Pilar Estrella (Pilar Estrella 
) , across the world, is a very rare cognomen. The last name Pilar Estrella is characteristic of Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Pilar Estrella is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pilar Estrella | Spain, Philippines, Chile, Ecuador, Peru |
Cammayo, and Muñoz Arellano