Last name Madlangbayan (Madlangbayan 
) , in the entire world, is quite a rare cognomen. The cognomen Madlangbayan is habitual in Philippines, where it is quite a rare surname, Qatar, where it is a rare surname, and United Arab Emirates. Measured by absolute frequency, it is the most numerous in Philippines, the United States, and South Korea.
| VARIANT | COUNTRY |
|---|---|
| Madlangbayan | Philippines, United Arab Emirates, Saudi Arabia, South Korea, United States |