Christian J. Mohn (20 April 1926 – 31 December 2018) was a Norwegian ski jumper and sports official. His career highlights included a fourth place at the FIS Nordic World Ski Championships 1950, a second place at the Holmenkollen Ski Festival in 1952, and a 20th place at the FIS Nordic World Ski Championships 1954. He represented IL Heming and also practised golf, yacht racing, tennis, bandy and handball.