| Guido d'Arezzo | |
| Location: | Discovery quadrangle, Mercury |
| Type: | Impact crater |
| Coordinates: | -38.41°N -18.53°W |
| Eponym: | Guido of Arezzo |
Guido d'Arezzo is a crater on Mercury. It has a diameter of 58 kilometers.[1] Its name was adopted by the International Astronomical Union (IAU) in 1976. Guido d'Arezzo is named for the Italian music theorist Guido of Arezzo, who lived from 990 to 1050.[2]
The scarp Vostok Rupes cuts across Guido d'Arezzo and the unnamed crater to the northwest. The crater Matabei is to the southeast of Guido d'Arezzo.