Andalusian may refer to:
- Andalusia, a region in Spain
- Al-Andalus, a historical state on the Iberian Peninsula
- Andalusian people, an ethnic group or nation in Spain centered in the Andalusia region
- Andalusian Spanish, a dialect of Spanish (also called andaluz)
- Andalusian Arabic, a dialect of the Arabic language
- Andalusian horse, a type of horse
- Andalusian (chicken), a type of chicken
- Andalusian Hemipode, a buttonquail, one of a small family of birds
- Andalusian cadence, a chord progression in music theory
- An Andalusian Dog, the English title of the film Un chien andalou