Category 2
- Categories of New Testament manuscripts
- Category 2 cable
- Class 2 (disambiguation)
- Classification of non-silicate minerals
- Group 2 (disambiguation)
- IUCN protected area categories
- List of Northeast snowfall impact scale winter storms
- Measurement category
- Northeast snowfall impact scale
- Pandemic severity index
- Public Sector Undertakings in India
- Regional snowfall index
- Tropical cyclone intensity scales
- Type 2 (disambiguation)