List of unsolved problems may refer to several notable conjectures or open problems in various academic fields:
Natural sciences, engineering and medicine
Mathematics, statistics and information sciences
Social sciences and humanities
See also
- Cold case (unsolved crimes)
 - List of ciphertexts
 - List of hypothetical technologies
 - List of NP-complete problems
 - List of paradoxes
 - List of PSPACE-complete problems
 - List of undecidable problems
 - List of unsolved deaths
 - Lists of problems
 - Unknowability
 
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