Family name イェスパー (Jesper 
, イェスパー) , around the globe, is a rare last name. The family name イェスパー is characteristic of Denmark, where it is quite a rare surname, Sweden, where it is a rare surname, and Hungary. Not in comparison with a country's population, the name is most common in Germany, Denmark, and China. Predominantly, イェスパー is the forename as well as the last name.