Family name Ricardo Segundo (Ricardo Segundo 
) , in the world, is a rare last name. The cognomen Ricardo Segundo is habitual in Chile, where it is quite a rare surname, and Spain, where it is an extremely rare surname. More frequently, Ricardo Segundo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ricardo Segundo | Peru, Colombia, Spain, Chile, Ecuador |