Family name Гэнн (Gann 
, Гэнн 
) , around the globe, is a common cognomen. The cognomen Гэнн is characteristic of the United States, where it is quite a rare surname, Austria, and Ireland. Not in comparison with a country's population, the name is most common in the United States, Germany, and Austria. Very seldom, Гэнн is the forename as well as the last name.