Last name Чаплигин (Чаплигин 
, Chaplygin 
) , in the world, is a rare cognomen. The last name Чаплигин is characteristic of Switzerland, where it is a rare surname, Russia, and Estonia. In absolute terms, this name is the most popular in Russia, Switzerland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Чаплигин | Russia, Kazakhstan, Ukraine |
| Chaplygin | Switzerland, Canada, United States, Russia, Ukraine |