Alhazen is a lunar impact crater that lies near the eastern limb of the Moon's near side.

The rim of Alhazen is nearly circular, but appears highly oblong when viewed from the Earth due to foreshortening.

A low ridge joins the south rim of Alhazen with the nearby Hansen.

The crater is named after the Arab Muslim scientist, Ibn al-Haytham.

[1] By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Alhazen.