Modal

Modal may refer to:
 * Modal (textile), a textile made from spun cellulose fiber
 * Modal analysis, the study of the dynamic properties of structures under vibrational excitation
 * Modal bandwidth, in the discipline of telecommunications, refers to the signalling rate per distance unit
 * Modal haplotype, an ancestral haplotype derived from the DNA test results of a specific group of people
 * Modal jazz, jazz that uses musical modes rather than chord progressions as a harmonic framework
 * Modal logic, a type of formal logic that extends the standards of formal logic to include the elements of modality
 * Modal matrix, used in the diagonalization process involving eigenvalues and eigenvectors
 * Modal phenomena
 * Modal administration, used in Federal Agencies to describe sub-offices or "modes"
 * Modal transportation, used in transit to describe multiple modes of transit available such as bus, trolley, train, ferry
 * Modal score, used in testing and education for the most common score
 * Modal verb, a type of auxiliary verb that is used to indicate modality
 * Modal window, computer user interface development: a child window that requires users to interact with it before they can return to operating the parent application
 * A trade name for sulpiride, an atypical antipsychotic drug
 * Modal Commerce, an American-based company that sells online software to car dealerships