Last name リル (Lil 
, Lilou 
, Lill ) , in the world, is a common family name. The cognomen リル is habitual in Estonia, where it is quite a common surname, Malaysia, and Algeria, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Algeria, Malaysia, and Germany. Likewise, リル is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lil | Germany, France, Malaysia, Algeria, India |
| Lilou | Germany, France, United States, Algeria, India |
| Lill | Germany, France, Malaysia, United States, India |
| リル | Japan |