Classification of indigenous peoples of the Americas

Australian Classification Board

Köppen climate classification

B2 (classification)

Classification Office (New Zealand)

Library classification

Biological classification

Soil classification

Mathematics Subject Classification

Virus classification

SR multiple unit numbering and classification

British Board of Film Classification

Traffic classification

Brachiopod classification

T46 disability sport classification

T11 (classification)

International Classification of Diseases for Oncology

British Rail locomotive and multiple unit numbering and classification

UIC classification of locomotive axle arrangements

Galaxy morphological classification

Car classification

Stellar classification

Spatial Synoptic Classification system

Dewey Decimal System

The Natural Bears Classification System

Para-alpine skiing classification

Classification of Indian cities

Race (sociology)

List of British Rail power classifications