A process is a naturally occurring or designed sequence of changes of properties or attributes of an object or system. More precisely, and from the most general systemic perspective, every process is representable as a particular trajectory (or part thereof) in a system's phase space.

It may refer to:

• Process (anatomy), a projection or outgrowth of tissue from a larger body
• Process (computing), a running program; a task to be executed, especially one which is largely self-contained
• Process (engineering), a set of transformations of input elements into products with specific properties, characterized by transformation parameters
• Process (systems engineering)
• Process (philosophy), unifying principles which operate in many different systemic contexts
• Process (science), a method or event that results in a transformation in a physical or biological object, a substance or an organism.
• Biological process
• Chemical process
• Thermodynamic process
• Process (Candy Lo album)
• Business process, a method or system for achieving a commercial result
• Industrial process, a procedure involving chemical or mechanical steps to aid in the manufacture of an item or items
• Process music, music which arises from a process
• Service of process, an official notice of a legal proceeding
• A specific recipe for semiconductor device fabrication is typically referred to as a "process"
• Interactions of Actors is a Process theory

Process may also be:

• Relaxer, a chemical agent that straightens hair (also known as a process haircut, a term primarily used for men)

See also

• Business Process Mapping
• Process architecture
• Process control
• Process management
• Process modeling
• Process theory