Rabia Salihu Sa'id (born April 21, 1963) is a Nigerian physicist, professor of atmospheric and space-weather physics, and a researcher at Bayero University Kano.
She conducts research in atmospheric and space weather physics, particle physics, and electronics.
Sa'id is an advocate and mentor for young women in science with the Visiola Foundation and Peace Corps; she co-founded Nigeria's Association of Women Physicists.
She is an advocate and mentor of Science, technology, engineering, and mathematics (STEM) education and is a facilitator for the British Council's Active Citizens' Programme.
Sai'd has received fellowships from Institute of Applied Physics in Bern, Switzerland and the Ford Foundation and made a fellow of African Scientific Institute (ASI).
In 2015, she received an Elsevier Foundation Award for Women Scientists in the Developing World.
She was also recognised in 2015 by the British Council for her community work, and by the BBC as part of their 100 Women series.