Family name เคอร์บี้ (Curby 
, เคอร์บี้) , globally, is a rare last name. The cognomen เคอร์บี้ is characteristic of Australia, where it is a rare surname, the United States, and Honduras. Not in comparison with a country's population, it most frequently occurs in the United States, Australia, and Canada. Very seldom, เคอร์บี้ is the forename as well as the last name.