Boscovich is a lunar crater that has been almost completely eroded away by subsequent impacts. It is located to the west-northwest of the crater Julius Caesar, and to the south-southeast of the prominent Manilius. The crater floor has a low albedo, and the dark hue makes it relatively easy to recognize. The surface is crossed by the rille system designated Rimae Boscovich that extends for a diameter of 40 kilometres. The crater is named after Roger Joseph Boscovich.