All around the world, สาส์น (San 
, สาส์น 
) is a widespread unisex forename. The first name สาส์น is characteristic of Mongolia, where it is a prevalent unisex name, Macao, where it is a common gender-neutral name, and Mauritius, where it is quite a common gender-neutral name (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Mongolia, Indonesia, and India. Likewise, สาส์น is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| San | Myanmar, Spain, Mongolia, Malaysia, Indonesia |
| สาส์น | Thailand |
สาส์น is also a name for the fictitious and mythical characters: San , the fictional character from Princess Mononoke; San Hill , the fictional character, Star Wars: Episode II – Attack of the Clones; San Diego Chicken , the sports mascot; San Otonashi , the Rosario + Vampire character and San Bernardo (Saint Bernard) , the operatic character in the opera La conversione e morte di San Guglielmo by Giovanni Battista Pergolesi, among other works.