Last name Колдвелл (Cauldwell 
, Колдвелл) , throughout the world, is a rare cognomen. The cognomen Колдвелл is characteristic of Ireland, where it is a rare surname, the United Kingdom, and New Zealand. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Ireland. Much less frequently, Колдвелл is the forename as well as the last name.