Signature (disambiguation)

A signature is a mark used to confirm a person's identity or intent.

Signature may also refer to:

Businesses and organizations

Signature (charity), for deaf communication activities in the UK
Signature, a clothing brand of Levi Strauss & Co.
Signature (dance group) English Bhangra dance duo Suleman Mirza and Madhu Singh
Signature (typography journal), a 20th-century British journal
Signature (whisky), an Indian whisky brand
Signature Books, a publisher of Mormon works
Signature Flight Support, a British fixed-base operator
Signatures Restaurant, former restaurant once owned by Washington lobbyist Jack Abramoff
Signature School, a charter school in Evansville, Indiana
Signature Team, a French motor racing team
Signature Theatres, a movie theatre chain

Signature block, text automatically appended at the bottom of electronic messages
Electronic signature, a digital form of identity or intent validation
File signature, data used to identify or verify the contents of a file
Type signature, a definition of the inputs and outputs for a function or method
XML Signature, a W3C recommendation

Blind signature, a digital signature used to validate a disguised message
Digital signature (or public-key digital signature), a method for authenticating information
Key signature (cryptography), the result of applying a hash function on a key

Signature (logic), a 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), the 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, symbols placed on the staff designating notes to be played sharp or flat
Signature (Moya Brennan album), 2006
Signature (Joe album), 2009
Signature (Patrice Rushen album), 1997
Signature, a 2021 EP by the Filipino singer Morissette
Signature Records, a mid-20th century United States-based record label
Time signature, indicating how many beats are in each measure

Acoustic signature, a combination of acoustic emissions
Isotopic signature, a characteristic set of ratios of stable or unstable isotopes
Metric signature, in physics, the form of a metric tensor: the sign of the diagonal components
- Signature change, in relativity
Radar cross-section
Spectral signature, the specific combination of varying wavelengths reflected and absorbed which can uniquely identify an object

Signature (bookbinding), a group of sheets folded in half
Signature mark, a mark at the bottom of a group of sheets to assist 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 in St. Petersburg, Florida