Family name เทศนะ (Sermon 
, เทศนะ 
) , in the world, is quite a rare last name. The surname เทศนะ is characteristic of Belgium, where it is quite a rare surname, Philippines, where it is a rare surname, and Thailand. Not in comparison with a country's population, it is the most numerous in Philippines, the United States, and Thailand. Much less frequently, เทศนะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sermon | Belgium, Philippines, United Kingdom, Democratic Republic of the Congo, United States |
| เทศนะ | Thailand |