Stock can refer to:
Supply and inventory - the equipment, materials, or supplies of an establishment or a store or supply accumulated or available, as in:
- Livestock kept on a farm, also
- Stock (food), a soup and flavoring base
- Stock cube, a dehydrated form of the above, known as bouillon cubes in the U.S.
- Inventory, a term for "finished goods", or sometimes raw material kept in storage.
- Stock (cards), the common pile of undealt playing cards from which players draw in a number of card games.
- Stock media, set material which can be used by other people (and is sometimes created for the purpose), either for free or for a set fee. Examples include:
- Raw stock, unexposed cinema film
- Rolling stock as used in railway operation
- Stock, the base material used in some fabrication work, such as wood for woodworking, a mix of fibres, chemicals and water used for papermaking or the metal used in a welding application.
- Correspondence stock used for letter writing.
- Fish stocks refers to a fish population in a defined area which is of interest to fishery managers.
Abstract supply and inventory -- economics, finance, accounting, and systems dynamics use the term stock to refer to a quantity that has been accumulated from a flow of some other quantity. Examples include:
Stock may also mean the original (as a person, race, or language) from which others derive, as in: