Frank Folke Furstenberg Jr. (born 1940) is the Zellerbach Family Professor of Sociology, Emeritus,[1] at the University of Pennsylvania.

Furstenberg has written extensively on social change, transition to adulthood, divorce, remarriage and intergenerational relations.

Furstenberg spent his academic career in the Sociology Department at the University of Pennsylvania as the Zellerbach Family Professor, where he remained until he retired.

Furstenberg published important early work on the underlying components of teenage pregnancy in books, including: In an opinion piece, Furstenberg explores the value of marriage and suggests that government policies should focus on creating economic and social conditions, such as child care subsidies, paid parental leaves, and cheaper health insurance, that will support marriage for low-income families.

[19] Furstenberg has also written extensively on divorce, remarriage and intergenerational relations in books including, The new American grandparent: A place in the family, a life apart, with Andrew J. Cherlin, 1986.