Wikipedia:Categorical Index
Wikipedia's contents: Categories
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Categories (along with other features like cross-references, lists, and infoboxes) help you to find information, even if you don't know what exists or what it's called. The following list of categories of Wikipedia's coverage parallels our other lists by topic.
You can also use the Special:Search box below to locate Categories .
Quick links
- Main categories: Research and Library science
- Further research tools and topics
- Academic disciplines
- Archives
- Books
- Clients
- Curricula
- Databases
- Distance education
- Grammar
- Government agencies
- Indices
- Information
- Knowledge
- Letters
- Libraries
- Library cataloging and classification
- News agencies
- Periodic table
- Prefixes
- Reading
- Research
- Search engines
- Suffixes
- Universities and colleges
- Writing
- Sports and Recreation
- Air sports
- American football
- Association football
- Auto racing
- Baseball
- Basketball
- Boating
- Boxing
- Canoeing
- Cricket
- Cycling
- Exercise
- Fishing
- Golf
- Gymnastics
- Hobbies
- Horse racing
- Ice hockey
- Lacrosse
- Olympic Games
- Rugby league
- Rugby union
- Sailing
- Skiing
- Swimming
- Tennis
- Track and field
- Walking trails
- Water sports
- Whitewater sports
- Main categories: Health, Self-care, and Health care occupations
- Human medicine
- Alternative medicine
- Cardiology
- Endocrinology
- Forensic science
- Gastroenterology
- Human Genetics
- Geriatrics
- Gerontology
- Gynaecology
- Hematology
- Nephrology
- Neurology
- Obstetrics
- Oncology
- Ophthalmology
- Orthopedic surgical procedures
- Pathology
- Pediatrics
- Psychiatry
- Rheumatology
- Surgery
- Urology
- Human activities
- Activism
- Agriculture
- Arts
- Aviation
- Commemoration
- Communication
- Crime
- Design
- Education
- Entertainment
- Fictional activities
- Fishing
- Food and drink preparation
- Government
- Hunting
- Industry
- Leisure activities
- Navigation
- Observation
- Performing arts
- Physical exercise
- Planning
- Politics
- Recreation
- Religion
- Human spaceflight
- Sports
- Trade
- Transport
- Travel
- Underwater human activities
- Underwater diving
- War
- Work
- Impact of human activity
- Human impact on the environment (Climate change, Nature conservation, Deforestation, Environmentalism, Pollution)
- Human overpopulation
- Urbanization
Formal sciences
- Statistics
- Analysis of variance
- Bayesian statistics
- Categorical data
- Covariance and correlation
- Data analysis
- Decision theory
- Design of experiments
- Logic and statistics
- Multivariate statistics
- Nonparametric statistics
- Parametric statistics
- Regression analysis
- Sampling
- Statistical theory
- Stochastic processes
- Summary statistics
- Survival analysis
- Time series
- Biology
- Botany
- Ecology
- Health sciences
- Medicine
- Neuroscience
- Zoology
- See also the Health and fitness section above
- Main categories: People, Personal life, Self and Surnames
- Activists
- Actors
- Astronauts
- Billionaires
- Chief executive officers
- Composers
- Cyborgs
- Defectors
- Generals
- Inventors
- Lesbian, gay, bisexual, transgender or queer (LGBTQ) people
- Monarchs
- Musicians
- Musical groups
- Philanthropists
- Philosophers
- Photographers
- Politicians
- Presidents
- Princes
- Princesses
- Revolutionaries
- Scientists
- Settlers
- Singers
- Slaves
- Victims
- People associated with war
- Writers
- Main categories: Philosophy and Thought
- Major beliefs of the world
- Agnosticism
- Atheism
- Ayyavazhi
- Bahá'í Faith
- Buddhism
- Caodaism
- Chinese folk religion
- Christianity
- Confucianism
- Druidry
- Falun Gong
- Hinduism
- Islam
- Jainism
- Judaism
- Modern paganism
- Mormonism
- Neo-druidism
- Rastafari
- Satanism
- Scientology
- Shinto
- Sikhism
- Spiritism
- Taoism
- Tenrikyo
- Unitarian Universalism
- Wicca
- Zoroastrianism
- See also: Criticism of religion
- Main categories: Society and Social sciences
- Main categories: Technology and Applied sciences
- Agriculture
- Agronomy
- Architecture
- Automation
- Biotechnology
- Cartography
- Chemical engineering
- Communication
- Construction
- Control theory
- Design
- Digital divide
- Earthquake engineering
- Energy
- Ergonomics
- Firefighting
- Fire prevention
- Forensic science
- Forestry
- Industry
- Information science
- Internet
- Machines
- Management
- Manufacturing
- Marketing
- Medicine
- Metalworking
- Microtechnology
- Military science
- Mining
- Nanotechnology
- Nuclear technology
- Optics
- Plumbing
- Robotics
- Sound technology
- Technology forecasting
- Tools
- Computing
- Application software
- Artificial intelligence
- Classes of computers
- Companies
- Computer architecture
- Computer model
- Computer engineering
- Computer science
- Computer security
- Computing and society
- Data
- Embedded systems
- Free software
- Human–computer interaction
- Information systems
- Information technology
- Internet
- Mobile web
- Languages
- Multimedia
- Networks (Industrial)
- Operating systems
- Platforms
- Product lifecycle management
- Programming
- Real-time computing
- Software
- Software engineering
- Unsolved problems in computer science
- Electronics
- Avionics
- Circuits
- Companies
- Connectors
- Consumer electronics
- Digital electronics
- Digital media
- Electrical components
- Electronic design
- Electronics manufacturing
- Embedded systems
- Integrated circuits
- Microwave technology
- Molecular electronics
- Water technology
- Optoelectronics
- Quantum electronics
- Radio-frequency identification RFID
- Radio electronics
- Semiconductors
- Signal cables
- Surveillance
- Telecommunications
- See also: Technology timelines