Family name Guibay (Guibay 
) , in the world, is a rare surname. The cognomen Guibay is habitual in South-eastern Asia, particularly Philippines, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Guibay | Philippines |
El, Oliver, Rebecca, Domingo, Jenevev, Emmaley, Harlene, Jerome, Facundo, Clefford, Patricio, Carmelito, Cresencio, Benedicta, Betancourt, Irencia, Jacquiline, Jaypee, Dinylo, Rey, Lea, Lynn, Emma, Arman, Pedro, Laarni, Delyn, Jimmy, Elmer, Edlyn, Huven, Marisa, Presca, Jerry, and Gerald James