Relander
Relander is a surname of Finnish and Swedish origin. In Finland, it is believed to be derived from the Old Finnish given name Rellu, a diminutive of Christian names such as Henrik or Lars. The surname gained prominence particularly in the Savo region of Finland. In Sweden, the name has a similar etymological root, often associated with the given name Lars, a Swedish form of Laurence.
The Relander surname is most common in Finland, where it is among the more established family names.