Family name Ниси (西 
, Nishi 
, Nisi 
) , worldwide, is a widespread cognomen. The family name Ниси is characteristic of China, where it is quite a common surname, Albania, and Bangladesh, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in China, Bangladesh, and Italy. Likewise, Ниси is the forename as well as the last name.