Sarah Nnadzwa Jibril (born 1945) is a Nigerian politician, psychologist, social reform proponent and philanthropist. She is known for serving as the Special Adviser to President Goodluck Jonathan on Ethics and Moral Values and for her advocacy of the emancipation and empowerment of Nigerian women and children. Jibril is Nigeria's first female presidential candidate both at the primaries and main elections, having run for president on four occasions.