Normal

Normal may refer to:

Film and television

Normal (2003 film), starring Jessica Lange and Tom Wilkinson
Normal (2007 film), starring Carrie-Anne Moss, Kevin Zegers, Callum Keith Rennie, and Andrew Airlie
Normal (2009 film), an adaptation of Anthony Neilson's 1991 play Normal: The Düsseldorf Ripper
Normal!, a 2011 Algerian film
Normal (New Girl), episode of the TV series

Normal (geometry), an object such as a line or vector that is perpendicular to a given object
Normal basis (of a Galois extension), used heavily in cryptography
Normal bundle
Normal cone, of a subscheme in algebraic geometry
Normal coordinates, in differential geometry, local coordinates obtained from the exponential map (Riemannian geometry)
Normal distribution, the Gaussian continuous probability distribution
Normal extensions (or quasi-Galois), field extensions, splitting fields for a set of polynomials over the base field
Normal family, a pre-compact family of continuous functions
Normal function, in set theory
Normal invariants, in geometric topology
Normal matrix, a matrix that commutes with its conjugate transpose
Normal measure, in set theory
Normal number, a real number with a "uniform" distribution of digits
Normal operator, an operator that commutes with its Hermitian adjoint
Normal order of an arithmetic function, a type of asymptotic behavior useful in number theory
Normal polytopes, in polyhedral geometry and computational commutative algebra
Normal ring, a reduced ring whose localizations at prime ideals are integrally closed domains
Normal scheme, a scheme whose local rings are normal domains
Normal space (or $T_{4}$ ), spaces, topological spaces characterized by separation of closed sets
Normal subgroup, a subgroup invariant under conjugation