Victor Almon McKusick (October 21, 1921 – July 22, 2008) was an American internist and medical geneticist, and Professor of Medicine at the Johns Hopkins Hospital, Baltimore.
He was a proponent of the mapping of the human genome due to its use for studying congenital diseases.
He is well known for his studies of the Amish and, what he called, "little people".
He was the original author and, until his death, remained chief editor of Mendelian Inheritance in Man (MIM) and its online counterpart Online Mendelian Inheritance in Man (OMIM).
He is widely known as the "father of medical genetics".