Last name Vermouth (Vermouth 
, Vermut 
, Wermut 
) , worldwide, is a rare cognomen. The surname Vermouth is characteristic of Belgium, where it is a rare surname, Israel, and Australia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Belgium, Indonesia, and the United States. Much less frequently, Vermouth is the forename as well as the last name.