Daphna Hacker (Hebrew: דפנה הקר; born 16 April 1969) is a full professor at the Tel Aviv University law faculty and Women and Gender Studies Program.

After publishing Legalized Families in the Era of Bordered Globalization, Hacker was awarded the 2018 LSA Jacob Book prize.

After attending Rene Cassin Alliance High School and serving in the IDF, Hacker earned her LL.B in 1994 from the Hebrew University of Jerusalem.

She also served on the Governmental Committee on Aspects of Parental Responsibility upon Divorce, and was a founding member of Itach-Maaki Women Lawyers for Social Justice.

In 2022, Prof. Hacker was elected by a majority of 115 countries in the UN General Assembly to a four-year term on the UN Committee on the Elimination of All Forms of Discrimination Against Women (CEDAW).