Cognomen กลาด (Klat 
, กลาด 
) , around the globe, is a rare surname. The surname กลาด is habitual in Lebanon, where it is quite a rare surname, Poland, where it is a rare surname, and Czechia. Measured by absolute frequency, it is the most numerous in Germany, Poland, and Lebanon. Likewise, กลาด is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klat | Lebanon, Brazil, Germany, Poland, India |
| กลาด | Thailand |