Cornelia Isabella "Cori" Bargmann (born 1961) is an American neurobiologist. She is known for her work on the behavior in the C. elegans, particularly olfaction in the worm. She has been elected to the National Academy of Sciences and is currently a Howard Hughes Medical Institute investigator at Rockefeller University. For her work, in 2012 she was awarded the $1 million Kavli Prize, and in 2013 the $3 million Breakthrough Prize in Life Sciences.