Around the globe, Quilacio (Quilacio 
) is an extremely rare masculine given name. Much more frequently, Quilacio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Quilacio | Philippines, Qatar, Canada, United States, Mexico |
Fe, Astor, Cesar, Karen, Krish, Ramil, Roque, Renie, Lazil, Lucia, James, Jaime, Jaeda, Juana, Tomas, Neren, Edwin, Emily, Henry, Vicky, Vidal, Irish, Amiel, Amily, Arjay, Sonia, Amy, Bob, Liz, Luz, Jun, Aman, Aisa, Rosa, Ruth, Luis, Oscar, Jose, Jojo, Juan, Judy, Noel, Eric, Irma, Ivan, Olga, Zeke, Maria, Joan, and Martin