Family name Vermiculus (Vermilion 
, Vermeil 
, Vermiculus) , worldwide, is quite a rare cognomen. The surname Vermiculus is habitual in France, where it is quite a rare surname, Switzerland, where it is a rare surname, and Indonesia. In absolute terms, it most frequently occurs in France, Indonesia, and the United States. Much less frequently, Vermiculus is the forename as well as the last name.