Jenner is a lunar crater that is located within the Mare Australe. It lies just past the southeastern limb, on the far side of the Moon, and can be viewed from the Earth during periods of favorable libration and lighting. Nearly attached to the eastern outer rim of Jenner crater is the larger, flooded Lamb crater.

English physician who pioneered vaccination; Jenner inoculated people with small amounts of cowpox to prevent them from getting smallpox (1749-1823)