Family name Lionceau (Lionceau 
) , worldwide, is a very rare last name. The family name Lionceau is habitual in Algeria, where it is a rare surname, and France, where it is an extremely rare surname. More frequently, Lionceau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lionceau | Democratic Republic of the Congo, Algeria, United States, France |