An inkwell is a small jar or container, often made of glass, ceramic, or pewter, that is used for holding ink in a place convenient for the person who is writing. The artist or writer dips his brush or dip pen into the inkwell as needed or uses the inkwell as the source for filling the reservoir of his fountain pen.

An inkwell usually has a hinged or screwed-on lid to prevent contamination, evaporation, accidental spillage, and excessive exposure to air.