Category B may refer to:
- Category B Listed building (Scotland)
- Category B Prison (UK)
- Category B Bioterrorism agent
- Category B services (Canadian television)
- A category of driving licence in the European Economic Area
- A category of driving licence in the United Kingdom
- An intermediate category of disease recognized by the US Centers for Disease Control and Prevention
- B movie
This disambiguation page lists articles associated with the title Category B.
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If an internal link led you here, you may wish to change the link to point directly to the intended article.