Across the world, Altillo (Altillo 
) is an extremely rare unknown gender forename. Much more frequently, Altillo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Altillo | Spain, Philippines, United States, Argentina, Venezuela |
El, Sionie, Analou, Anesia, Carlos, Pacita, Dariel, Leolie, Jessie, Julius, Jingle, Teresa, Emelia, Eunice, Winday, Welvin, Maricar, Maryjoy, Abigail, Cherryl, Brigida, Ramilyn, Voces, Rodolfo, Elvie, Nilda, Rey, Rex, Luz, Luis, Jose, John, Jean, Juan, Judy, Noel, Eric, Maria, Sonny, Romel, Rowil, Dandy, Liezl, Lucas, Luiza, Jorge, Tomas, Elisa, and Roberta