Signature (disambiguation)

Signature may refer to:

• Signature (authentication), in cryptography
• Signature (Computer Science), in computer science
• Signature (algebraic system), in abstract algebra
• Signature (permutation), in combinatorics
• Signature (quadratic form), in linear algebra
• Signature (manifold), in differential geometry
• Signature (metric), in differential geometry
• Signature (knot), in knot theory
• Signature (primes), in number theory