Nils Peter Sundelin (born 13 January 1947) is a retired
Swedishsailor. Together with his elder brothers
Jörgen and
Ulf he won a gold medal in the
5.5 metre class at the 1968 Olympics and a silver medal at the 1969 World Championships. The brothers also won the 1971 world title in the three-person keelboat (
Dragon class) and placed sixth and ninth at the 1972 and 1976 Olympics, respectively.[1]
Peter was the strongest physically among the Sundelin brothers.[2] In the 1980s, he competed with different partners in the two-person keelboat at the 1980 Olympics and world championships. Besides sailing he played
ice hockey for
Skuru IK.[2]