Josephine "Joe" Obiajulu Okei-Odumakin is a Nigerian women's rights activist. She is the president of the rights groups Women Arise for Change Initiative and the Campaign for Democracy.
Odumakin was born in Zaria, Kaduna, on July 4, 1966. She grew up in a Roman Catholic household. She received a bachelor's degree in English Education in 1987, followed by a master's in Guidance and Counseling and a doctorate in History and Policy of Education from the University of Ilorin. She has frequently been arrested for her activism, especially during the military rule of Ibrahim Babangida, and she met her future husband, Yinak Odumakin, while in prison.
In 2013, Odumakin was presented an International Women of Courage Award from the United States Department of State.