One-to-many may refer to:
- Fat link, a one-to-many link in hypertext
- Multivalued function, a one-to-many function in mathematics
- One-to-many (data model), a type of relationship and cardinality in systems analysis
- Point-to-multipoint communication, communication which has a one-to-many relationship
See also
- Cardinality (data modeling)
- Multicast
- One Too Many (data modeling)
- One-to-one (disambiguation)
- Point-to-point (disambiguation)
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