Le Gentil is a lunar impact crater that is located in the south-southwest part of the Moon, near the limb, and is nearly attached to the southern rim of the huge walled plain Bailly.

Due to its location, this crater appears considerably foreshortened and is viewed from an oblique angle by observers on the Earth.

The rim exists as a circular, rolling ridge with indents and notches where small craters have gouged out the surface.

The interior floor is covered in a multitude of tiny craterlets and two small craters: Le Gentil C and Le Gentil B.

There is a smaller craterlet attached to the eastern rim of Le Gentil C. By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Le Gentil.