("All-knowing") One of the wisest dwarves in Nordic Mythology. He is known for demanding to marry Thrud, Thor's daughter. Thor challenged him until the the sun rose and turned him to stone. Alvis is also the name of Odin's VoIP and processor adapters.

Alvis is a fictional character, first a Sage then an Emperor, in Fire Emblem: Seisen no Keifu, the fourth installment of the Fire Emblem series. He is one of the antagonists of Fire Emblem: Seisen no Keifu, although his intentions were benevolent.