Christian vom Lehn (born 14 April 1992 in Wuppertal) is a German swimmer. At the 2016 Summer Olympics in Rio de Janeiro, he competed in the men's 100 metre breaststroke, finishing 12th in the semifinals and failing to qualify for the final. He competed as part of the 4 x 100 medley relay team during the heats, helping the German team to qualify for the final where they finished in 7th place.