Alan Frederick Hofmann, (born May 17, 1931) is a gastrointestinal physiologist, biochemist and clinician who is notable for his extensive basic, translational and clinical research on bile acids and lipid digestion.
Since 1977, he has been in the Division of Gastroenterology at University of California, San Diego where he is currently Professor Emeritus of Medicine.
He has influenced and mentored a large number of researchers with his ideas, knowledge and support.