Boreal, northern, of the north. Derived from the name of the god of the north wind from Ancient Greek civilisation, Boreas. It may also refer to:

• Boreal (age), the first climatic phase of the Blytt-Sernander sequence of northern Europe, during the Holocene epoch
• Boreal climate, a climate characterized by long winters and short, cool to mild summers
• Boreal ecosystem, an ecosystem with a subarctic climate in the Northern Hemisphere
• Boreal forest, a biome characterized by coniferous forests
• Boreal Sea, a Mesozoic-era seaway

• Boreale, a Quebec microbrewery
• Boreal Mountain Resort, a ski resort in the Lake Tahoe area of California
• Boreal Norge, a Norwegian public transport operator
• Collège Boréal, a francophone college in Ontario, Canada

• Boreal (horse), a racehorse
• Carlo Boreal, a fictional character in Philip Pullman's His Dark Materials trilogy
• Le Boreal, a French cruise ship
• Renault Boreal, a compact crossover SUV
• Borealism, the exoticisation of the northern regions of the Earth and their cultures

• Boreal forest of Canada, a region covering much of Canada's land area
• Boreal Forest Conservation Framework, a plan to protect the Canadian boreal forest
• Borean languages, a hypothetical language family comprising languages of the Northern Hemisphere
• Boreal Shield Ecozone (CEC), region of ancient rock in Canada
• Borea (disambiguation)
• Borealis (disambiguation)
• Boreas (disambiguation)
• Septentrional