Category
# Category

Category, plural categories, may refer to:

## Philosophy and general uses

* Categorization, categories in cognitive science, information science and generally
* Category of being
* Categories (Aristotle)
* Category (Kant)
* Categories (Peirce)
* Category (Vaisheshika)
* Stoic categories
* Category mistake

## Mathematics

* Category (mathematics), a structure consisting of objects and arrows
* Category (topology), in the context of Baire spaces
* Lusternik–Schnirelmann category, sometimes called LS-category or simply category
* Categorical data, in statistics

## Linguistics

* Lexical category, a part of speech such as noun, preposition, etc.
* Syntactic category, a similar concept which can also include phrasal categories
* Grammatical category, a grammatical feature such as tense, gender, etc.

## Other

* Category (chess tournament)
* Objective-C categories, a computer programming concept
* Pregnancy category
* Prisoner security categories in the United Kingdom
* Weight class (boxing)
* List of software categories
* Categories (word game)
* Saffir–Simpson hurricane wind scale, a common categorization of hurricane intensities
* Categories of New Testament manuscripts
* Network cable categories: 1, 2, 3, 4, 5/5e, 6/6a, 7/7a (F)
* A classification in a system of compartmentalization (information security)
