Hamadar Sahara wani babban hamada ne dake Arewacin Afirka, ya ratsa kasashe da dama da suka hada da Morocco, Algeria, Tunisia, Libya, Egypt, Mali, Niger, Chadi, da Sudan. Shi ne hamadar zafi mafi girma a duniya, wanda ya kai kusan mil miliyan 3.6 (kilomita murabba'in miliyan 9.4). Sunan "Sahara" ya fito ne daga kalmar larabci "ṣaḥrāʾ," wanda ke nufin "hamada."
