| Compatibility may refer to:
* Astrological compatibility, the branch of astrology that studies relationships by comparing natal horoscopes
* Compatibilism, a philosophical position
* Compatibility (geochemistry), how readily a particular trace element substitutes for a major element within a mineral
* Compatibility (chemical), how stable a substance is when mixed with another substance.
* Compatibility (mechanics), the study of compatible deformations in continuum mechanics
* Electromagnetic compatibility, which studies the unintentional generation, propagation, and reception of electromagnetic energy
* Interpersonal compatibility, the long-term interaction between two or more individuals in terms of the ease and comfort of communication |