Substitution
- Attribute substitution
- Base-pair substitution
- Chord substitution
- Import substitution industrialization
- Integration by substitution
- Levenshtein distance
- Penal substitution
- Simultaneous substitution
- String substitution
- Substituent
- Substitute (disambiguation)
- Substitution (Purple Disco Machine and Kungs song)
- Substitution (Silversun Pickups song)
- Substitution (algebra)
- Substitution (economics)
- Substitution (law)
- Substitution (logic)
- Substitution (poetry)
- Substitution (sport)
- Substitution (theatre)
- Substitution cipher
- Substitution method (optical fiber)
- Substitution reaction
- Substitution therapy
- Tritone substitution