Across the world, Guadalyn (Guadalyn 
) is a rare girly forename. The given name Guadalyn is characteristic of South-eastern Asia, particularly Philippines, where it is a rare feminine name.
| VARIANT | COUNTRY |
|---|---|
| Guadalyn | United States, Spain, Philippines |
Cao, Melorin, Serrano, Seguera, Agsalud, Cantano, Collado, Braza-De Los Reyes, Rosales, Rosario, Rosello, Godines, Talicug, Navarra, Alinsugay, Agbayani, Bataclit, Porlasin, Rabocarsal, Gualingco, Templado, Quinesio, Montana, Jardin, Llanto, German, Juan, Tilo, Merin, Munar, Sunga, Solis, Alpay, Cesar, Perez, Reyes, Sarangaya, Dayag, Lagua, Tubig, Nuyda, Metran, Arcena, Abella, Banday, Buhala, Pernia, Dungca, Gomez, and Oliquiano