Family name Gergil (Gergil 
, Гергиль 
) , all around the world, is a very rare cognomen. The cognomen Gergil is habitual in Russia, where it is a very rare surname, Kazakhstan, and Ukraine. Measured by absolute frequency, this name is the most popular in Russia, Ukraine, and Brazil. Very seldom, Gergil is the forename as well as the last name.