Louis J. Muglia (born 1959) is an American medical geneticist, endocrinologist and pediatrician noted for his research on premature birth and prenatal testing.
In January 2020, Muglia became the President and CEO of the biomedical research foundation, the Burroughs Wellcome Fund.
In 2008, Muglia left for Vanderbilt University to accept an endowed professorship and a position as vice-chair of Research Affairs.
Muglia's research focus was to understand the molecular timing machinery comprising the biological clock that determines the timing of birth to prevent or better treat human preterm labor and delivery utilizing genetic and comparative genomic approaches.
Dr. Muglia served as chair of the Board of Scientific Counselors for the Eunice Kennedy Shriver National Institute of Child Health and Human Development of the National Institutes of Health.