Ewald R. Weibel HonFRMS is a Swiss biologist on the faculty of the University of Bern. He was one of the first scientist to describe the endothelial organelles Weibel-Palade bodies, which are named after him and his Romanian American colleague George Emil Palade.
In 1981, Weibel became a foreign member of the United States National Academy of Sciences. Awarded the Marcel Benoist Prize in 1974.