| Sullivan | |
| Location: | Beethoven quadrangle, Mercury |
| Type: | Impact crater |
| Coordinates: | -16.19°N -86.88°W |
| Eponym: | Louis Sullivan |
Sullivan is a crater on Mercury. Its name was adopted by the International Astronomical Union (IAU) in 1976, and is named for the American architect Louis Sullivan.[1] The crater was first imaged by Mariner 10 in 1974.
Sullivan is west of the smaller but younger Futabatei crater. To the north of Sullivan is Stoddart.