Cognomen Lybæk (Lybæk 
) , in the world, is a very rare last name. The cognomen Lybæk is habitual in Northern Europe, particularly Denmark, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lybæk | Denmark |
|
bo lybæk (b. 1960) |
|
| sofie lybæk Danish association football player |
|
|
| tina lybæk |
|