Family name Sieckelinck (Sieckelinck 
) , in the entire world, is a very rare surname. The cognomen Sieckelinck is habitual in Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sieckelinck | France |
| stijn sieckelinck (b. 1980) |
|