Family name Геснер (Gesner 
, Геснер 
) , worldwide, is quite a rare cognomen. The family name Геснер is characteristic of Haiti, where it is quite a rare surname, the Dominican Republic, where it is a rare surname, and Canada. Not in comparison with a country's population, it is the most numerous in the United States, Haiti, and Canada. Likewise, Геснер is the forename as well as the last name.