See also: lykke
From medieval Danish Lydik, Lydike, from Middle Low German Ludeke, diminutive of Germanic compound names beginning with the element Liut' ("folk"). By folk etymology associated with Danish lykke (“happiness”).
- A female given name.
- (dated) A male given name, today mostly appearing as a second given name.
- A patronymic surname.
-  Name statistics for Denmark >1900-2005