Ulf Artur Sundelin (born 26 August 1943) is a retired Swedish sailor.

Together with his younger brothers Peter and Jörgen 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 at the 1972 Olympics.

This article about a Swedish Olympic medalist is a stub.

You can help Wikipedia by expanding it.This biographical article related to sailing in Sweden is a stub.