| Fet | |
| Location: | Tolstoj quadrangle, Mercury |
| Type: | Impact crater |
| Coordinates: | -4.72°N -180.22°W |
| Eponym: | Afanasy Fet |
Fet is a crater on Mercury that is named for the Russian poet Afanasy Fet, who lived from 1820 to 1892. Its name was adopted by the International Astronomical Union in 1985.[1] The diameter of the crater is 79 kilometers.[2]
Fet lies within Tir Planitia.