Division may refer to:

Processes:

• Division (mathematics), a binary operation that serves as the inverse of multiplication
• Division (electronics), digital implementation of mathematical division
• Division (vote), a manner by which the votes of legislators are recorded
• Division (horticulture), a method of vegetative plant propogation, or the plants created by using this method
• Cell division, the process in which biological cells multiply
• Continental divide, the geographical term for separation between watersheds
• North-South divide, the geopolitical term for the division between wealthy nations and poor nations
• Segmentation

Units/ Entities:

• Division (organisation), a subsidiary of a larger organisation
• Division (military), a unit typically consisting of from 10,000 to 20,000 troops
• Police division, a large territorial unit (now often referred to as a Basic Command Unit) of the British police
• Division (sport), a group of comparable teams in organised sport who compete amongst themselves for a Divisional title
• Division (botany), a classification of plants (the botanical counterpart to zoology's phylum)
• Division (subnational entity), a subnational entity similar to a state or perfecture
• A county constituency or Parliamentary seat in the United Kingdom Parliament
• A subpart of a hundred (division), former administrative unit in England and Wales
• Census division