The term Class D may refer to: * Class D (baseball), a defunct class in minor league baseball in North America * Class-D amplifier or switching amplifier * Class D fire extinguisher * Class D league, a classification of minor league baseball from 1902 to 1962 * Class D star, a stellar classification * Class D, IP addresses on a classful network * Class D, an airspace class as defined by the ICAO * Class D, a type of Driver's license in the United States * Class D, a North American broadcast station class * Class-D, a type of character in the video game '' SCP – Containment Breach''

See also