Family name Ocasión (Ocasio 
, Ocasión 
) , globally, is a common surname. The last name Ocasión is habitual in Puerto Rico, where it is a common surname, Bolivia, where it is quite a common surname, and the United States, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ocasio | Mexico, Bolivia, United States, Colombia, Puerto Rico |
| Ocasión | Colombia, Spain |