Universal set (disambiguation)

Universal set may refer to:

Mathematics

 * Universal set, the set of all objects, an object whose existence conflicts with the axioms of standard set theory but may exist in other variants
 * Universe (mathematics), the proper class of all objects in a domain of discourse
 * Universal point set, in graph drawing, a set that can be used for the vertices of drawings of all n-vertex planar graphs
 * Sample space, in probability theory and statistics, the set of all possible outcomes of an observation or experiment

Other

 * Universal Character Set, a set of nearly 100,000 characters on which many character encodings are based