Cognomen Прагин (Pragin 
, Pragyn , Прагин 
) , in all the world, is a very rare last name. The cognomen Прагин is habitual in Russia, where it is a very rare surname, Kazakhstan, and Italy, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Russia, the United States, and Germany. Also, Прагин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pragin | Germany, Italy, India, United States, Russia |
| Pragyn | India |
| Прагин | Russia, Kazakhstan |
| прагин, лазарь яковлевич BY (b. 1925) |
|