Ann Cavoukian (born October 7, 1952) is the former Information and Privacy Commissioner for the Canadian province of Ontario. Her concept of privacy by design, which takes privacy into account throughout the system engineering process, was expanded on, as part of a joint Canadian-Dutch team, both before and during her tenure as commissioner (1997 to 2014).

She was hired by Ryerson University as a distinguished visiting professor after the end of her three terms as IPC. Cavoukian was appointed Executive Director of the Ryerson's Privacy and Big Data Institute in 2014. Since 2017, Cavoukian has been the Distinguished Expert-in-Residence of the university's Privacy by Design Centre of Excellence.

Cavoukian was born in Cairo, Egypt in 1952 to ethnic Armenian parents Artin and Lucie Cavoukian, and immigrated to Toronto with her family in 1958. She is the sister of Canadian children's entertainer Raffi and photographer Cavouk Cavoukian.

She holds a B.A. from York University and received an MA and Ph.D in psychology from the University of Toronto, where she specialized in criminology and law.

In the 1980s, she headed the Research Services Branch for the provincial Attorney General.

She joined the Ontario provincial Office of the Information and Privacy Commissioner in 1987. Cavoukian served as its first Director of Compliance followed by her appointment as Assistant Commissioner in 1990.