Sven Oluf Sørensen (26 November 1920 – 16 September 2017) was a Norwegian physicist. He was born in Paris, as a son of painter Henrik Sørensen and Gudrun Cleve. Sørensen was appointed professor in nuclear physics at the University of Oslo. He has participated in several international research groups, in particular associated to CERN in Genéve. Also he established and in honour of his father, Henrik Sørensen.