Specification (disambiguation)

Specification may refer to:
 * Specification is the term used for the first stage in cellular differentiation
 * Specification (technical standard), an explicit set of requirements
 * Specification (legal concept), from Roman Law
 * Formal specification, describing computer software by mathematical means
 * Specification language
 * Model specification, the practice of translating theory into a statistical model
 * Patent specification, part of a patent application
 * Regional specification, identifying different areas of the early embryo in biology