Cognomen 利子 (Lizi 
, 利子 ) , in all the world, is quite a common family name. The surname 利子 is habitual in Georgia, where it is a common surname, Honduras, where it is a rare surname, and Romania. In absolute terms, it most frequently occurs in Georgia, Brazil, and China. Also, 利子 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lizi | China, Guatemala, Georgia, India, Brazil |
| 利子 | China |