Category 5

Category 5 may refer to:


 * Category 5 (album), an album from rock band, FireHouse
 * Category 5 cable, used for carrying data
 * Category 5 computer virus, as classified by Symantec Corporation
 * Category 5 Records, a record label
 * Category 5 tropical cyclone, on any of the Tropical cyclone scales
 * Any of several hurricanes listed at List of Category 5 Atlantic hurricanes or List of Category 5 Pacific hurricanes
 * Category 5 pandemic, on the pandemic severity index, an American influenza pandemic with a case-fatality ratio of 2% or higher
 * Category 5 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 and list of Regional Snowfall Index Category 5 winter storms