Polar-class icebreaker (disambiguation)

Various organizations operate vessels they refer to as Polar-class icebreakers:

• Polar class, a set of specification from the International Association of Classification Societies
• United States Coast Guard operates two Polar-class icebreakers
• CCGS John G. Diefenbaker was originally called "CCG Polar Class icebreaker"
• The Polar 8 Project, cancelled plans to build eight "Polar-class icebreakers" for the Canadian Coast Guard