Cognomen ラツキ (Ratzke 
, ラツキ) , around the globe, is quite a rare surname. The family name ラツキ is habitual in Germany, where it is a rare surname, Denmark, and Brazil. Not in comparison with a country's population, the name is most common in Germany, Brazil, and the United States. Very seldom, ラツキ is the forename as well as the last name.