Cognomen 西甘 (Cygan 
, Jhingan 
, 西甘 
) , all around the world, is quite a common last name. The surname 西甘 is characteristic of Poland, where it is quite a common surname, Ireland, where it is quite a rare surname, and Germany, where it is a rare surname. Not in comparison with a country's population, the name is most common in Poland, India, and the United States. Likewise, 西甘 is the forename as well as the last name.