Compaction may refer to:
Soil compaction, for mechanically induced compaction near the ground surface Compaction of ceramic powders Compaction (geology), part of the process of lithification involving mechanical dewatering of a sediment by progressive loading under several km of geomaterial Compaction of wires or wire strands to form a wire rope or wire cable Faecal compaction, an extreme form of constipation Waste compaction, related to garbage Cold compaction, powder compaction at low temperatures Data compaction, related to computers Curve-fitting compaction Compactor, a device that performs compaction Compaction a cellular differentiation process in the early embryo
See also Compact (disambiguation) Compactification (disambiguation) Impaction (disambiguation)