This section needs to be updated. Please help update this article to reflect recent events or newly available information.(May 2021)
9 January – Norilsk avalanche: three dead, one in serious condition, and six missing in an avalanche in Norilsk which buried houses. An event like this has never happened in Norilsk, despite avalanches being common in the region, this was the first event of such magnitude in terms of fatalities and missing persons.[4]
11 January – In Moscow, four soldiers are killed after a truck crashes into the convoy of buses they are in. 40 other soldiers were reported to be injured.[5]
12 January – 2021 Yekaterinburg fire [ru]: eight people die in an apartment fire in Yekaterinburg. It is reported that the victims succumbed to carbon monoxide poisoning, rather than the flames. It is reported that among the eight fatalities, there was a child[6] The cause of the fire is under investigation, and it is thought that the fire was accidental.[7]
6 July – An Antonov An-26 carrying 28 passengers and crews slams into a steep cliff while on approach to Palana. All 28 people on board are killed in the crash, including Olga Mokhireva, the mayor of Palana.[14]
6—8 July – At least eight people are killed by floods caused by heavy rains in Krasnodar Krai.[15]
A helicopter carrying 16 people, most of whom are tourists, crashes into a lake in Kamchatka. At least eight are rescued and eight others are feared dead.[17]
Russian authorities detains the head of Hypersonic System Research Institute Alexander Kuranov for suspected treason.[18]
7 December – Gunman opens fire in Moscow services center, kills 2 people and injures 4.[20]
13 December - Russia's domestic intelligence service said it had arrested 106 supporters of what it called a Ukrainian neo-Nazi youth group planning attacks and mass murders. The Federal Security Service (FSB) said the "Maniacs Cult of Murder" group had been set up by a Ukrainian under the patronage of Ukraine's intelligence services. The FSB, in its statement, said it had made detentions in 37 of Russia's more than 80 regions and that two of the detainees had planned to attack educational institutions.[21]