Polar icebreaker or polar-class icebreaker may refer generally to any icebreaker designed to operate in polar regions and/or designed in accordance with the International Association of Classification Societies (IACS) Unified Requirements for Polar Class Ships, or any of the following specific ships or projects:
United States Coast Guard and are jointly referred to as Polar-class icebreakers Polar Security Cutter program was previously referred to as "Heavy Polar Icebreaker program" Canadian Coast Guard The Polar 8 Project was one of many cancelled plans to build polar icebreakers for the Canadian Coast Guard Canadian Coast Guard's future polar icebreakers and are built under the Polar Icebreaker Project