Family name 里西 (Risi 
, 里西 
) , in all the world, is a common last name. The surname 里西 is habitual in Switzerland, where it is quite a common surname, Italy, where it is quite a rare surname, and Oman. Measured by absolute frequency, the name is most common in Italy, Nigeria, and India. Also, 里西 is the forename as well as the last name.