Univalent may refer to:
- Univalent function – an injective holomorphic function on an open subset of the complex plane
- Univalent foundations – a type-based approach to foundation of mathematics
- Univalent relation – a binary relation R that satisfies <math>xRy \text{ and } xRz \text{ implies } y = z.</math>
- Valence (chemistry)#univalent – 1-valent.