In heraldry, the narwhal is a striking Arctic animal charge associated with mystery, endurance, rarity, northern seas, and the power of nature in remote places. Its long spiral tusk gives it an almost mythical quality, which historically linked it with the unicorn. In medieval and early modern Europe, narwhal tusks were often sold as unicorn horns, believed to possess protective and healing powers. In a coat of arms, the narwhal can therefore combine natural symbolism with legendary resonance: wisdom hidden in the sea, protection against danger, and rare distinction.

The narwhal has especially strong geographic meaning in Canadian and Arctic heraldry. It represents polar waters, Inuit homeland, marine life, and survival in extreme environments. A major example is the coat of arms of Nunavut, where the supporters are a caribou and a narwhal. In that context, the narwhal reflects the territory’s marine environment, Inuit culture, and northern identity. It is also suitable for institutions connected with oceanography, wildlife conservation, Arctic research, naval service, or communities shaped by sea ice, hunting traditions, and northern navigation.

As a heraldic figure, the narwhal may be shown swimming, naiant, embowed, or as a supporter, often proper to preserve its pale body and distinctive tusk. It may be combined with waves, ice, stars, aurora-like colors, ships, or snow crystals to strengthen its polar symbolism. The Public Register of Arms, Flags and Badges of Canada is the best place to search Canadian examples, while broader animal and maritime heraldry can be explored at Heraldry of the World and The Heraldry Society. In heraldry, the narwhal stands for rare strength, Arctic belonging, mystery, protection, and life beneath the northern sea.