Modius (plural modii) may refer to:
an ancient Roman unit for dry measures, (8.73 L) roughly equivalent to a peck a medieval Roman unit for area, approximately 40 acres Modius (headdress), a type of cylindrical headdress so called for its resemblance to the measure of grain Modius, the family name of the Modia (gens) Modius (beetle), a genus in the family Eucnemidae
See also
Modi (disambiguation) Modia (disambiguation) Modis (disambiguation)