Family name 柯洛 (Kroll 
, 柯洛 
, Corot 
) , all over the world, is a common last name. The family name 柯洛 is habitual in Guernsey, where it is quite a common surname, Germany, and Switzerland, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Poland. Much less frequently, 柯洛 is the forename as well as the last name.