Alhazen is a lunar impact crater that lies near the eastern limb of the Moon's near side. Just to the south-southeast is the Hansen crater, and to the west is the Mare Crisium. The rim of Alhazen is nearly circular, but appears highly oblong when viewed from the Earth due to foreshortening.

an Egyptian polymath (born in Iraq) whose research in geometry and optics was influential into the 17th century; established experiments as the norm of proof in physics (died in 1040)