Hume is a small lunar impact crater that lies along the eastern limb of the Moon, along the southeast edge of Mare Smythii.

Hume lies just to the west-northwest of the much larger Hirayama, and to the northeast of the flooded crater Swasey.

Hume has been flooded by flows of basaltic lava, leaving only a slender rim projecting above the surface.

The rim has a wide gap at the northern end, and the floor lies open to the exterior.

[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 Hume.