1) Swedish surname 
Karlsson is a Scandinavian patronymic surname meaning `son of Karl` or `Karl`s son`. It is one of the most common surnames in Sweden and has a number of alternative spellings. Apart from Karlsson, Carlsson is the most common spelling variation. Karlson and Carlson also exist, but are uncommon, as are Carlzon (Jan Carlzon) and Qarlsson. ==A== ...