List of Russians killed fighting for the Ukrainian side during the Russian invasion of Ukraine

At least 31 Russian citizens have been confirmed to have been killed during the Russian Invasion of Ukraine while fighting for the Ukrainian side. Many have had their names and ages undisclosed for safety reasons for the deceased's family.

On 19 March 2024, Russian President Vladimir Putin ordered the FSB to hunt down and “punish” Russians serving in the Ukrainian military and compared them to the Russian Liberation Army which had collaborated with Nazi Germany during World War II. Putin also ordered that Russians killed serving in the Ukrainian military be identified by name stating: "When I spoke about these traitors, I ask, since this has always been in our history, not to forget who they are, to identify them by name. We will punish them without a statute of limitations, wherever they are."

List of fatalities
The following list contains 31 servicemen listed as killed among the Armed Forces of Ukraine, and Russian separatist formations embedded with Ukraine: