In the entire world, Ulco (Ulco 
) is an extremely rare boy's first name. More frequently, Ulco is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ulco | Netherlands, Peru, Ecuador, United States, Colombia |
| ulco cats bussemaker (b. 1810) |
|
|
| ulco kooistra NL (b. 1900) |
|
|
| ulco bed |
|
|
| ulco de vries |
|
Ms, Bryan, Paulo, Paola, Ruben, Debra, Diana, Diego, James, Jaime, Jorge, Jesus, Julio, Juana, Noemi, Heber, Vilma, Oscar, Marilu, Manuel, Melisa, Melody, Cesar, Michel, Angel, Melva, Sue, Ana, Cã, Luz, Saul, Brad, Raul, Rosa, Ruth, Lois, Luis, John, Juan, Naty, Nery, Elsa, Hugo, Flor, Ivan, Maria, Marco, Saira, and Sandra