Wilhelm Petersén

Wihelm Knut "Mulle" Petersen (October 2, 1906 - December 11, 1988) was a Swedish hockey player. He competed in the 1928 and 1936 Winter Olympics as a member of the Swedish National Team and finished in second and fifth place, respectively. Between 1928 and 1936 he played 20 international matches and won a European title in 1932.

Petersén competed internationally in association football, bandy and ice hockey, and won Swedish titles in all these sports. As an ice hockey player, he won national titles with AIK IF in 1934 and 1935, and was the best Swedish scorer in 1928, 1932, 1933 and 1937. In association football, he was a 1932 Swedish champion with AIK and twice played internationally in 1930. In bandy, Petersén won a Swedish title in 1931 and twice played internationally in 1931–32.

After retiring from competitions, Petersén ran his Mulle Coffee-Roastery in Duvbo, Stockholm.