Class B may refer to:

• Class B (baseball), a defunct class in minor league baseball in North America
• Class B (classification), a Paralympic wheelchair fencing classification
• Class B drug, in British law
• Class B share, a “class” of common or preferred stock
• Class B star
• Barry Railway Class B, a British steam locomotive
• LNWR Class B, a British steam locomotive
• Class B office space, a step below Class A office space
• An Army Service Uniform
• An airspace class defined by the ICAO
• A power amplifier class
• A class of broadcast station in North America
• An electronic device conforming to FCC rule Title 47 CFR Part 15, Subpart B, Class B
• An explosives category for professional fireworks; see Fireworks policy in the United States
• A network in the Internet classful network system
• A pathogen treatment and pollutant criterion, an EPA reuse category in biosolids
• A recreational vehicle, or campervan
• A class of boat in the European Union

See also

• B-class (disambiguation)
• Type B (disambiguation)

This disambiguation page lists articles associated with the title Class B.
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