Donskoy (masculine), Donskaya (feminine), or Donskoye (neuter) may refer to:
- People
- Alexander Donskoy (b. 1970), mayor of Arkhangelsk, Russia
- Boris Donskoy (1894 or 1896–1918), Russian revolutionary
- Dmitry Donskoy (1350–1389), Grand Prince of Moscow (1359–1389) and Grand Prince of Vladimir (1363–1389)
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- Dmitry Donskoy (opera) by Anton Rubinstein (1852)
- Mark Donskoy (1901–1981), Soviet film director
- Other
- Donskoy District, a district of Southern Administrative Okrug, Moscow, Russia
- Donskoy (inhabited locality) (Donskaya, Donskoye), name of several inhabited localities in Russia
- Donskoy Monastery, a major male monastery in Moscow, Russia
- Russian submarine TK-208 Dmitri Donskoi
- Russian armoured cruiser Dmitrii Donskoi
- Donskoye (air base), an air base in Kaliningrad Oblast, Russia
- MV Dmitry Donskoy a cargo ship in service with Baltic Shipping Co, Leningrad from 1946-74.
- Donskoy (cat) is a breed of hairless cat