Category may refer to:

• Category (philosophy)
• taxonomic category - Taxonomic rank
• Category (grammar)
• Category (mathematics)
• Categories (Aristotle)
• Category (Kant)
• Categories (Stoic)
• Categories (game), a game involving naming categories of things
• Category (topology) in the context of Baire spaces
• Lyusternik–Schnirelmann category, sometimes called LS-category or simply category
• Category (chess tournament)

In taxonomic uses:

• Pregnancy category
• Prison categories (UK)
• Boxing weight classes

In computer programming:

• Categories, a programming concept in Objective-C

See also

Saffir-Simpson Hurricane Scale

• Category (1, 2, 3, 4, 5, 6, 7)

Networking Cable

• CAT (1, 2, 3, 4, 5, 5e, 3, 6a)

• Categorization

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