Larsen is of Scandinavian origin, specifically from Norway and Denmark. It is derived from the word 'larse', which means 'powerful' or 'strong'. The surname Larsen is patronymic, meaning it was originally passed down through the male line. In some cases, it may have been occupational, referring to someone who worked with lye or laundry. Larsen is one of the most common surnames in Norway and Denmark, reflecting its long-standing usage in these regions.
The name Larsen appears to have experienced fluctuations in popularity over the years, with a noticeable peak in recent times. Between 1996 and 2023, there were a total of 182 births registered with the name Larsen. The highest number of births recorded in any single year was 13 in 2008, while the lowest was 5 in both 2001 and 2021.