Last name Колльер (Collyer 
, Колльер) , around the world, is quite a rare surname. The last name Колльер is habitual in Botswana, where it is quite a rare surname, Australia, and the United Kingdom. In absolute terms, this name is the most popular in the United Kingdom, the United States, and Australia. Much less frequently, Колльер is the forename as well as the last name.