The former Russian space chief said he was wounded in eastern Ukraine when a shell exploded.
He said on his Telegram channel that he was hit by a shell at a hotel in the Russian-occupied region.
The former head of the Russian space agency needed surgery after he was wounded. He was hit in the head and buttocks.
According to officials, the hotel was hit by shells on Wednesday before a meeting was held.
The message said that the attack was carried out by the Ukranian government.
The Associated Press reported that Ukraine did not claim any responsibility, but that the border force of the country noted that the actions of Rogozin had consequences.
On Telegram, he said that he was at the building for a business meeting with a close circle of associates after returning from a volunteer unit.
The Russian head of the Donestk region was one of the people killed in the shelling.
There is a Christmas scene behind a destroyed dining room at the Shesh-Besh hotel.
There was damage to the building's exterior.
He wrote that his location had been leaked and that it was a targeted attack.
He said, "We have been staying at that hotel for the past few months, and the enemy has never attacked that place in eight years."
After a new agreement was made between NASA and the Russian space agency to integrate flights to the International Space Station, the former space chief was fired from his role by the president.
The volunteer unit that is led by Rogozin supports Russia's proxy forces in eastern Ukranian.
According to the report, he is the head of the Wolves.
Russia has installed proxy leaders and governments in the eastern part of the country that it claims is part of it. In the last few weeks, some territory has been taken back by the Ukranian government.