Carl Lauritz Mortensen (2 March 1919 – 1 November 2005) was a Norwegian sailor and Olympic medalist. He was born and died in Oslo. He received a silver medal in the 6 metre class with the boat Elisabeth X at the 1952 Summer Olympics in Helsinki, together with Johan Ferner, Erik Heiberg, Tor Arneberg and Finn Ferner.
Johan Martin Ferner (né Johan Martin Jacobsen; 22 July 1927 – 24 January 2015) was a Norwegian sailor and Olympic medalist. He won a silver medal in the 6 metre class with the boat Elisabeth X at the 1952 Summer Olympics in Helsinki, together with Finn Ferner (his brother), Erik Heiberg, Tor Arneberg and Carl Mortensen. He was married to Princess Astrid, the sister of King Harald V of Norway and Princess Ragnhild.