Last name Velassco (Velassco 
) , around the world, is a very rare cognomen. The last name Velassco is characteristic of Latin America and the Caribbean, particularly Colombia, where it is a very rare surname, Ecuador, and Mexico, where it is an extremely rare surname. In absolute terms, this name is the most popular in Colombia, Mexico, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Velassco | Mexico, Philippines, Colombia, Ecuador, United States |