| Chaikovskij | |
| Location: | Kuiper quadrangle, Mercury |
| Type: | Impact crater |
| Coordinates: | 7.4°N -50.4°W |
| Eponym: | Pyotr Ilyich Tchaikovsky |
Chaikovskij (sometimes Tchaikovsky) is a crater on Mercury. It has a diameter of 171 kilometers.[1] Its name was adopted by the International Astronomical Union (IAU) in 1976. Chaikovskij is named for the Russian composer Pyotr Ilyich Tchaikovsky, who lived from 1840 to 1893.[2]
Veronese and Mistral craters are to the southwest of Chaikovskij. Giotto is to the northwest, and Lermontov is to the north. Haystack Catena is to the southeast.