An ink absorber includes: a plurality of ink absorbent bodies that are elongated and absorb waste liquid of an ink ejected from a liquid ejecting head; and an accommodating container that accommodates the plurality of ink absorbent bodies, in which the plurality of ink absorbent bodies are arranged such that a longitudinal direction thereof extends vertically. Occupancy of the plurality of ink absorbent bodies in a region in which the ink absorbent bodies are arranged in the accommodating container is desirably 50% or more and 99% or less when the ink absorbent bodies are dry.