Alcan was a Canadian mining company and aluminum manufacturer.

Alcan may also refer to:

Alcan Highway, or Alaska Highway, a highway linking Alaska and Canada Alcan–Beaver Creek Border Crossing, a border crossing on the Alaska Highway Eugène Alcan (1811-c. 1898), a French writer Rio Tinto Alcan, the present incarnation of the Alcan company

See also Alcon (disambiguation)