Cognomen Costilla (Costilla 
) , throughout the world, is a common last name. The last name Costilla is characteristic of Latin America and the Caribbean, particularly Argentina, where it is quite a common surname, Peru, where it is quite a rare surname, and Mexico. Very seldom, Costilla is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Costilla | Mexico, United States, Argentina, Peru, Spain |
| antonio de mendoza y costilla PE (b. 1625) |
|
|
| cristóbal hidalgo y costilla MX (b. 1713) |
|
|
| manuel antonio jiménez de lobatón y costilla (b. 1723) |
|
|
| manuel aulló y costilla (b. 1883) |
|
|
|
jorge eduardo costilla sánchez Mexican drug lord, MX (b. 1971) |
|
| juan garcía costilla Mexican politician, MX (b. 1943) |
|
|
| fernando costilla Spanish television personality, ES (b. 1972) |
|
|
| s costilla researcher |
|
|
| jerónimo de costilla Spanish military personnel, ES |
|
|
| margarita mora costilla Mora Costilla, Margarita |
|
|
| melisa costilla researcher (ORCID 0000-0001-8078-7162) |
|