Category 2 may refer to:
- Category 2 cable, a grade of unshielded twisted pair cabling
- Category 2 tropical cyclone, on any of the Tropical cyclone scales
- Category 2 pandemic, on the Pandemic Severity Index, an American influenza pandemic with a case-fatality ratio between 0.1% and 0.5%
- Category 2 winter storm, on the Northeast Snowfall Impact Scale and the Regional Snowfall Index
- Any of several winter storms listed at list of Northeast Snowfall Impact Scale winter storms
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