Cognomen 楚科 (Churko 
, 楚科 
) , all over the world, is a rare surname. The cognomen 楚科 is habitual in Canada, where it is a rare surname, New Zealand, where it is a very rare surname, and Argentina. Not in comparison with a country's population, this name is the most popular in Canada, the United States, and Argentina. More frequently, 楚科 is the forename as well as the last name.