Unitary

Unitary may refer to:

Mathematics

 * Unitary divisor
 * Unitary element
 * Unitary group
 * Unitary matrix
 * Unitary morphism
 * Unitary operator
 * Unitary transformation
 * Unitary representation
 * Unitarity (physics)
 * E-unitary inverse semigroup

Politics

 * Unitary authority
 * Unitary state