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 ${\displaystyle xRy{\text{ and }}xRz{\text{ implies }}y=z.}$
• Valence (chemistry)#univalent – 1-valent.