Look up signature or signatory in Wiktionary, the free dictionary.

A signature is a hand-written, possibly stylized, version of someone's name, which may be used to confirm the person's identity. The writer of a signature is a signatory or signer.

Signature or signatory may also refer to:

• Signature (charity), trading name of UK-based Council for the Advancement of Communication for Deaf People (CACDP)
• Signature, a brand of the clothing company Levi Strauss & Co.
• Signature (dance group) (born 1979), British Bhangra act in the 2008 series of the television show Britain's Got Talent
• Signature (typography journal), a 20th-century journal published in Britain
• Signature (whisky), a brand of Indian whisky

• Signature Books, a publisher of Mormon works
• Signature Digital Menus, a company specializing in the provision of digital menu boards
• Signature Flight Support, a British fixed-base operator
• Signatures Restaurant, a restaurant formerly owned by Washington lobbyist Jack Abramoff
• Signature School, a charter school in Evansville, Indiana spanning grades 9–12
• Signature Team, a French motor racing team
• Signature Theatres, a movie theatre chain in California, Hawaii, and Montana operated by Regal Entertainment Group
• Signatory Vintage Scotch Whisky Company, a Scottish company that owns the Edradour distillery

• Signature block, text automatically appended at the bottom of an e-mail message, Usenet article, or forum post
• Electronic signature, or e-signature, refers to data in electronic form, which is logically associated with other data in electronic form and which is used by the signatory to sign.
• Signature file, a computer file containing signature data
• File signature, data used to identify or verify the contents of a file
• Type signature, which defines the inputs and outputs for a function or method

• Blind signature, digital signature in which the content of a message is disguised
• Digital signature (or public-key digital signature), a method for authenticating information
• Digital Signature Algorithm, a United States Federal Government standard
• Electronic signature, a signature imputed to a text via one or more of several electronic means, or cryptographic means to add non-repudiation and message integrity features to a document
• ElGamal signature scheme, based on the difficulty of computing discrete logarithms
• Key signature (cryptography), the result of applying a hash function on a key
• XML Signature, a W3C recommendation that defines an XML syntax

• Signature (logic), description of a set of function and relation symbols in mathematical logic
• Signature (permutation), a measure for the number of pairs a permutation maps out of order
• Signature (quadratic form), number of positive, negative, or null terms of a quadratic form
• Signature (topology) of a 4k-dimensional compact oriented manifold
• Signature of a knot, in knot theory
• Prime signature, the multiset of exponents in the prime factorisation of a number
• Signature (matrix), the difference of the positive and negative eigenvalues of a matrix
• Metric signature of the metric tensor on a pseudo-Riemannian manifold

• Key signature, a series of sharp or flat symbols placed on the staff, designating notes that are to be played one semitone higher or lower
• Signature (Moya Brennan album), a 2006 album by Irish musician Moya Brennan
• Signature (Joe album)
• Signature (Patrice Rushen album)
• Signature, a 2021 EP album by the Filipino singer Morissette
• Signature Records, a mid-20th century United States-based record label
• Signature song, the one song that a popular and well-established artist is identified with
• Time signature, a notational device used to specify how many beats are in each bar and which note value constitutes one beat

• Acoustic signature, a combination of acoustic emissions
• Doctrine of signatures, the notion that the appearance of plants is a function of their celestial influences
• Isotopic signature, a characteristic set of ratios of stable or unstable isotopes
• Metric signature, in physics, refers to the form of a metric tensor: the sign of the diagonal components constitutes its "signature"
  • Signature change, in relativity
• Radar cross-section
• Spectral signature, the specific combination of reflected and absorbed electromagnetic (EM) radiation at varying wavelengths which can uniquely identify an object

• Signature (bookbinding), a group of sheets folded in half
• Signature mark, a mark at the bottom of a gathering to assist the bookbinder in collation
• An alternative word for section (bookbinding)

• Signature Bridge, over the Yamuna river, Delhi, India
• Signature crime, a crime which exhibits characteristics unique to an offender's psychology
• Signature Place, a residential skyscraper located in St. Petersburg, Florida

• Cignature, a South Korean girl group
• Seal (East Asia), with sometimes a short inscription

This disambiguation page lists articles associated with the title Signature.
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