Marcel Roche Dugand (August 15, 1920 in Caracas, Venezuela – May 3, 2003 in Miami, USA) was a physician, scientist and scientific leader.

Following this, he moved to the US and got a Bachelor of Science degree at St. Joseph's College, in Philadelphia, followed by studies in medicine at Johns Hopkins Medical School, in Baltimore.

Before returning to Venezuela in 1951, he carried out biomedical research for some time at the New York Institute of Public Health.

He was founder and director of the Institute of Medical Research at the Central University, and in 1958 he also became the Secretary General of the Venezuelan Association for the Advancement of Science.

He received many honors and degrees from Belgium, Germany, France, the United States, India and Brazil.