Sundelin

Sundelin is a Swedish surname that may refer to
 * Jörgen Sundelin (born 1945), Swedish Olympic sailor
 * Matti Sundelin (born 1934), Finnish football player
 * Peter Sundelin (born 1947), Swedish Olympic sailor, brother of Ulf and Peter
 * Stefan Sundelin (1936–2003), Swedish Olympic sailor, cousin of Jörgen, Peter and Ulf
 * Ulf Sundelin (born 1943), Swedish Olympic sailor, brother of Jörgen and Peter