Modal may refer to:
- Modal (textile), a textile made from spun Beechwood 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, a child window that requires users to interact with it before they can return to operating the parent application
- Mode (disambiguation)
- Modality (disambiguation)
- Musical mode, a concept that involves scale and melody type