Look up rationale in Wiktionary, the free dictionary.
Rationale may refer to:
- An explanation of the basis or fundamental reasons for something
- Design rationale, an explicit documentation of the reasons behind design decisions
- Rationale (vestment), a liturgical vestment worn by some Roman Catholic bishops
- Rationale (musician) (born 1984), Zimbabwean-born British singer and songwriter
- Rationale (Glitterer album), 2024
