- Vacuous truth
- Valence
- Valency
- Validity
- Valuation
- Valuation ring
- Valuation theory
- Valuative criterion of properness
- Value
- Value-distribution theory
- Vampire number
- Van Aubel theorem
- Van Aubel's Theorem or Van Aubel's theorem
- Van der Corput sequence
- Van der Grinten projection
- Van der Pol equation
- Van der Waerden Number or Van der Waerden number
- Van der Waerden theorem
- Van der Waerden's theorem
- Van Kampen's theorem
- Vandermonde determinant
- Vandermonde identity
- Vandermonde matrix
- Vandermonde's convolution formula
- Vandiver's conjecture
- Vanishing
- Vanishing cycle
- Vanishing Point or Vanishing point
- Vant
- Variable
- Variance
- Variate
- Variation
- Variation of argument
- Variation of Hodge structure
- Variation of parameters
- Variational Calculus or Variational calculus
- Variational inequalities
- Variety
- Variety of universal algebras
- Vassiliev invariant
- Vault
- Vault (math) - also see Steinmetz solid
- Vector
- Vector addition
- Vector algebra
- Vector analysis
- Vector basis
- Vector bundle
- Vector bundle connection
- Vector calculus
- Vector cross product
- Vector field
- Vector field on a manifold
- Vector function
- Vector group
- Vector identities
- Vector laplacian
- Vector measure
- Vector norm
- Vector potential or Vector Potential
- Vector product
- Vector Quadruple Product or Vector quadruple product
- Vector space or Vector Space
- Vector space basis
- Vector space orientation
- Vector subspace
- Vector subtraction
- Vector sum
- Vector triple product
- Vector-Valued Function or Vector-valued function
- Vee
- Veitch diagram
- Velocity
- Venn Diagram or Venn diagram
- Verification
- Verma module
- Veronese mapping
- Veronese surface
- Veronese variety
- Versed sine
- Versine
- Versor
- Vertex
- Vertex coloring
- Vertex contraction
- Vertex Cover or Vertex cover
- Vertex degree
- Vertex figure
- Vertex operator
- Vertex operator algebra
- Vertex-transitive graph
- Vertical
- Vertical tangent
- Very ample
- Vesica Piscis or Vesica piscis
- Vibrating string
- Vickrey Auction or Vickrey auction
- Victor Puiseux
- Vierergruppe
- Vieta's formula
- Vieta's formulas
- Vieta's theorem
- Vietoris homology
- Vigesimal
- Vigintillion
- Villarceau Circles or Villarceau circles
- Vinculum
- Vinogradov's theorem
- Virasoro algebra
- Virgil
- Virgule
- Virial theorem
- Virtual group
- Virtual Machine or Virtual machine
- Viscosity
- Viscosity solutions
- Visibility
- Visibility graph
- Viswanath's constant
- Vitali covering
- Vitali covering lemma
- Vitali theorem
- Vitali-Hahn-Saks theorem
- Vitruvius
- Viviani curve
- Viviani's Curve or Viviani's curve
- Viviani's Theorem or Viviani's theorem
- Viviani's Window or Viviani's window
- Vizing conjecture
- Vizing theorem
- Vizing's theorem
- Viète theorem
- Viète's formulas
- Viète's theorem
- Vladimir Drinfel'd or Vladimir drinfel'd
- Vladimir Fock
- Volterra equation
- Volterra kernel
- Volterra operator
- Volterra series
- Volume
- Volume element
- Volume form
- Volume integral
- Volume of the n-sphere
- Von Mangoldt function
- Von Mises distribution
- Von Neumann algebra or Von neumann algebra
- Von Neumann neighborhood
- Von Neumann regular ring
- Von Neumann-Bernays-Gödel set theory or Von Neumann-Bernays-Gödel Set Theory
- Von Staudt-Clausen theorem
- Voronoi cell
- Voronoi Diagram or Voronoi diagram
- Voronoi polygon
- Voter model
- Voting
- Voting paradoxes
- Vulgar fraction
- Vulgar series