Refuted Conjectures
- A-Sequence
- Abelian Envelope
- Albertson-Berman Conjecture
- Aristotle Gap
- Bernoulli Number
- Bicubic Graph
- Bicubic Nonhamiltonian Graph
- Bilu-Linial Signing Conjecture
- Bold Conjecture
- Bootstrap Percolation
- Borsuk's Conjecture
- Bourque-Ligh Conjecture
- Boy Surface
- Chiu Graph
- Costa Minimal Surface
- Cubic Nonhamiltonian Graph
- Cubic Number
- Dominating Hadwiger Conjecture
- Ellingham-Horton Graphs
- Erdős-Graham Binomial Divisor Problem
- Erdős Unit Distance Problem
- Euler's Graeco-Roman Squares Conjecture
- Euler Quartic Conjecture
- Euler's Sum of Powers Conjecture
- Feit-Thompson Conjecture
- Fermat Number
- Fractional Chromatic Number
- Fuglede's Conjecture
- Gamma-Theta Conjecture
- Generalized Vanishing Conjecture
- Goedgebeur Graph
- Graph Spectrum
- Gray Graph
- Greenfield Graph
- Griffiths' Conjecture
- Grothendieck's Constant
- Hajós Conjecture
- Hamilton Decomposition
- Hardy-Littlewood Conjectures
- Heawood Graph
- Heilbronn Triangle Problem
- Hessian Conjecture
- Hypercube Graph
- Hypotraceable Graph
- Image Conjecture
- Jacobian Conjecture
- Keller's Conjecture
- Kelvin's Conjecture
- Koizumi-Liu Conjecture
- Kravitz Conjecture
- Kusner's Conjecture
- Mason's Conjecture on Flats
- Maxwell Conjecture
- Meredith Graph
- Merino-Welsh Conjecture
- Mertens Conjecture
- New Mersenne Prime Conjecture
- Nuciferous Graph
- Odd Hadwiger Conjecture
- One-Ninth Constant
- Ono Inequality
- Pach-Tardos Conjecture
- Perfect Square Dissection
- Period-Index Conjecture
- Petersen Coloring Conjecture
- Petrykowski's Conjecture
- Planar Hypotraceable Graph
- Plutarch Numbers
- Pólya Conjecture
- Pompeiu Conjecture
- Prime Number Theorem
- Resistance-Equivalent Graphs
- Schiffer Conjecture
- Seifert Conjecture
- Separable Jacobian Conjecture
- Simonovits Product Conjecture
- Smale's Problems
- Tait's Hamiltonian Graph Conjecture
- Talagrand's Operator Cotype Problem
- Tetrahedral Ring
- Tetrahedron Tetrahedron Picking
- Tiling
- Tutte Bicubic Graph Conjecture
- Unfolding
- Vanishing Conjecture
- Wang's Conjecture
- White's Conjecture