Last name กวนตีน (Bother 
, Kwanting 
, กวนตีน 
) , in all the world, is a rare cognomen. The surname กวนตีน is characteristic of Taiwan, where it is a rare surname, Myanmar, and Greece, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Taiwan, Myanmar, and Germany. Very seldom, กวนตีน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bother | Germany, China, Taiwan, United States, Myanmar |
| Kwanting | India |
| กวนตีน | Thailand |
Kuanad, Kuancnai, Kuanit, Kuankanerng, Kuanneth, Kuanteen, Kuanyeen, Kwaneard, Kwanneat, Kwanthog, Maroodate, Marudate, Stirangsit, Stirasit, Stirattanatri, Stirattiphan, Stirueam, and Tousignant