Family name Аугустин (Augustin 
, Augustyn 
, Augustín 
) , in the world, is a widespread surname. The cognomen Аугустин is habitual in Saint Lucia, where it is a widespread surname, Haiti, where it is quite a common surname, and Mauritius (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Poland, Germany, and Haiti. Also, Аугустин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Augustin | Germany, Haiti, Poland, Cameroon, Democratic Republic of the Congo |
| Augustyn | Germany, Nigeria, United States, Poland, France |
| Augustín | Spain, Czechia, Slovakia |
| Аугустин | Russia, Ukraine |
Agostino, Agusti, Agustin, Agustí, Agustín, August, Auguste, Augustinas, Augustinius, Augustinus, Augusto, Augustus, Auhustin, Avgustin, Awgust, Gustavo, Август, Августин, Августо, Агостино, Агусти, Агустин, Аугуст, Аугустинас, Аугусто, Аугусту, Огуст, Огюст, Огюстен, אגוסטינו, אוגוסט, אוגוסטו, אוגוסטוס, أغسطس, أوغستين, 八月, and 奥古斯丁