Lysaker (surname)

Lysaker is a Norwegian surname. It is derived from the place name Lysaker, a suburban area in Bærum municipality, just west of Oslo. The place name itself is believed to be composed of the Old Norse elements ljós, meaning "light" or "bright," and akr, meaning "field" or "acre." Thus, Lysaker can be interpreted as "bright field" or "light field."

The surname likely originated from individuals or families who lived on or near the Lysaker farm or in the surrounding area. As with many surnames derived from place names, individuals who moved away from the area may have adopted Lysaker as a way to identify their origin.

While primarily found in Norway, individuals with the Lysaker surname may also be found in other countries due to emigration from Norway. The prevalence of the name is relatively low, suggesting it is not one of the more common Norwegian surnames. Genealogical research may be required to trace the lineage of individuals bearing the Lysaker surname.