Mikko is of Finnish origin and means "son of Michael." It is composed of the elements "Mikael" meaning "who is like God?" and the suffix "-kko," which indicates a male given name. Mikko was popularized in Finland by the renowned poet J.L. Runeberg, who used it as a character's name in his epic poem "The Tales of Ensign Stål." Today, Mikko is considered one of the most classic Finnish male names and is widely recognized throughout Scandinavia and beyond.
The name Mikko experienced a significant surge in popularity from the late 1980s onwards, with a noticeable increase starting around 1988 and peaking in 2021 with 53 births. The highest birth years were between 2014 and 2022, with an average of over 36 births per year during this period.