Tonal may refer to:
- Tonal (mythology), a concept appearing in the belief systems and traditions of Mesoamerican cultures, involving a spiritual link between a person and an animal
- a tonal language, a classification of languages where some combination of high-low pitch has a phonemic distinction
- tonality, a system of writing music involving the relationship of pitch to some centered key
- Tonal System is a hexadecimal (base 16) system of notation, arithmetic, and metrology proposed by Nystrom in 1859.