Pamela Jane Smock (born September 29, 1961) is an American sociologist and demographer. She is a research professor in the University of Michigan's Population Studies Center, of which she was the director from 2010 to 2013. She is also a professor of sociology and women's studies at the University of Michigan. She is known for her research on issues related to the family, such as cohabitation, which she has been studying for over two decades.