Classifier may refer to:
Mathematics and computing
- Classifier (machine learning)
- Classification rule, in statistical classification, e.g.:
- Hierarchical classifier
- Linear classifier
- Deductive classifier
- Classifier (UML), in software engineering
- Subobject classifier, in category theory
- Finite-state machine#Classifiers
Other uses
- Classifier (linguistics), or measure word, especially in East Asian languages
- Classifier handshape, in sign languages
- An air classifier or similar machine for sorting materials
See also
- <!--unless we want to link the articles on Chinese, Japanese, Burmese etc. classifiers individually-->
- Classification (disambiguation)
- Classified (disambiguation)
