Subclass may refer to:
- Subclass (biology)Class (biology)In biological classification, class is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, order, family, genus, and species, with class fitting between phylum and order...
, a taxonomic rank intermediate between class and superorder
- Subclass (computer science), a class that is derived from another class or classes
- Subclass (set theory), a class contained in some other class in the same way that a subset is a set contained in some other set.
- SubClass, a Minneapolis-based electronic music collective consisting of DJs, producers, promoters, etc.