Cognomen Claes-Göran (Claes-Göran 
) , all around the world, is a very rare family name. The family name Claes-Göran is characteristic of Northern Europe, particularly Sweden, where it is a rare surname. Much more frequently, Claes-Göran is the forename as well as the last name. Parts of the name also exists independently as a last name Claes, and a first name Göran.
Alm, Frisell, Stenberg, Svensson, Arvidsson, Carlsson, Claesson, Beckeman, Karlsson, Davidsson, Lundgren, Joelsson, Eriksson, Hedström, Wetterhäll, Andersson, Carlander, Börjesson, Johansson, Niklasson, Erlandson, Bergström, Hansson, Nilsson, Thorell, Jonsson, Blom, Rapp, Rydh, Dahl, Gahm, Lans, Nord, Fant, Brink, Blixt, Pettersson, Jakum, Frick, Olson, Åsberg, Helmer, Höglund, Olsson, Åberg, Claeson, Larsson, Lomberg, Fridh, and Gustafsson