Surname เทศแก้ว (Sermon 
, เทศแก้ว) , throughout the world, is quite a rare cognomen. The cognomen เทศแก้ว is habitual in Belgium, where it is quite a rare surname, Philippines, where it is a rare surname, and Australia. In absolute terms, it is the most numerous in Philippines, the United States, and Belgium. Very seldom, เทศแก้ว is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sermon | Philippines, United States, United Kingdom, Belgium, Democratic Republic of the Congo |