Family name Kasilag (Kasilag 
) , worldwide, is quite a rare last name. The family name Kasilag is characteristic of Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Saudi Arabia. Measured by absolute frequency, it most frequently occurs in Philippines, the United States, and Saudi Arabia.
| VARIANT | COUNTRY |
|---|---|
| Kasilag | Philippines, United Arab Emirates, United States, Malaysia, Saudi Arabia |
|
lucrecia kasilag Filipino composer, music educator, and National Artist for Music., PH (b. 1917) |
|
| elaine kasilag |
|
Fe, Ruth, Ruel, Ryan, Gaze, Gina, Laeh, Luis, Lyka, Jake, Jose, John, Joan, Joel, Jean, Juan, Jing, Nora, Noel, Eden, Edna, Erna, Rico, Emma, Rica, Rose, Mae, Mia, Ace, Ron, Roy, Lea, Luz, Joy, Eva, Marc, Mary, Mark, Mila, Myla, Alex, Andy, Aiza, Cail, Caye, Raul, Rosa, Rene, and Earl