Surname กล้าหาญ (Guty 
, Darioush 
, Valerious 
) , globally, is quite a rare cognomen. The surname กล้าหาญ is characteristic of Latin America and the Caribbean, particularly Guatemala, where it is quite a rare surname, El Salvador, and Bolivia. Measured by absolute frequency, it is the most numerous in Latin America and the Caribbean, particularly Guatemala, Bolivia, and Colombia. Likewise, กล้าหาญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guty | Guatemala, Bolivia, El Salvador, Colombia, Poland |
| Darioush | Sweden, Iran, United States, India, Canada |
| Valerious | Mexico, India, United States |
Boldy, Boldyrev, Brahing, Brave, Couragee, Darading, Daring, Devere, Gallant, Herous, Klaeekla, Klaetanong, Klaethanong, Klaewban, Klaewhan, Klaewharn, Klaewklahan, Klaewthanong, Klahan, Klahansuk, Klaharn, Klaichan, Klaichanaut, Klaichom, Klaiphun, Klaoklaing, Spunky, Valady, Vallant, and ក្លាហាន