Karl Ludvig "Kalle" Reichelt (28 November 1933 – 29 October 2016) was a Norwegian medical researcher. He was best known for his research on the opioid peptides in casein and gluten. He also did important work on cancer.
He worked daily at Rikshospitalet, Norwegian for the National Hospital, in Oslo, Norway, until medio 2012 as a senior researcher and advisor.
Karl Ludvig Reichelt received HM The King's Medal of Merit in gold in 2004.Collected Net Articles of Kalle Reichelt, M.D