**Product** may refer to:

- Product (business), an item that ideally satisfies a market's want or need
- Product (project management), a deliverable or set of deliverables that contribute to a business solution

- Cartesian product of sets

- Direct product of groups
- Semidirect product
- Product of group subsets
- Wreath product
- Free product
- Zappa–Szép product (or knit product), a generalization of the direct and semidirect products

- Product of rings
- Ideal operations for product of ideals

- Scalar multiplication
- Matrix multiplication
**inner product**on an Inner product space- Exterior product (or wedge product)
- Multiplication of vectors:
- Dot product
- Cross product
- Seven-dimensional cross product
- Triple product, in vector calculus

- Tensor product

- Smash product
- Wedge sum (or wedge product)

- Internal product, in a monoidal category
- Product (category theory), a generalization of mathematical products
- Fibre product or pullback, and the coproduct or pushout

- Wick product of random variables

*Product*(Brand X album), 1979*Product*(De Press album), 1982*Product*(Sophie album), 2015*Product*, a three-CD compilation set by Buzzcocks

- Product (chemistry), the species formed from chemical reactions

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