Grönvall is a Swedish surname.
As of 2014, 71.7% of all known bearers of the surname Grönvall were residents of Sweden (frequency 1:10,856) and 25.9% of Finland (1:16,759).
In Sweden, the frequency of the surname was higher than national average (1:10,856) in the following counties:
In Finland, the frequency of the surname was higher than national average (1:16,759) in the following regions:[1]