Atomflot (Russian: ФГУП «Атомфлот», translation: "Atom fleet") is a Russian company and service base that maintains the world's only fleet of nuclear-powered icebreakers.

[1] Atomflot is part of the Rosatom group, and is based in the city of Murmansk.

The company has a ship to transport radioactive waste, and another to monitor radiation.

The company was sanctioned by Canada on 22 August 2023 for association with Russian government.

The command staff undergoes special training at the Admiral Makarov State Maritime Academy in St. Petersburg.