Samuel Hulse Preston is an American demographer and sociologist.
He is one of the leading demographers in the United States. He received his Ph.D in economics from Princeton University in 1968. Preston is a member of the National Academy of Sciences.
The Preston curve is named after him. Preston's major research interest is in the health of populations. He has written primarily about mortality trends and patterns in large aggregates, including twentieth century mortality transitions and black/white differentials in the United States.