Family name Olyslagers (Olyslagers 
) , globally, is a very rare surname. The last name Olyslagers is habitual in Netherlands, where it is a rare surname, Belgium, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Olyslagers | Belgium, Netherlands, Australia |
|
nicola olyslagers Australian athlete, AU (b. 1996) |
|