Constrictor may refer to:
Biology:
- Any snake that kills its prey by constriction
- A taxonomic synonym for Boa, also known as boas, a genus of non-venomous boas found in Mexico, Central and South America, Madagascar.
- A taxonomic synonym for Python, also known as pythons, a genus of non-venomous pythons found in Africa and Asia.
Other:
- Constrictor (album), a 1986 album by Alice Cooper.
- Constrictor (comics), a supervillain/hero in the Marvel Comics universe.
- Constrictor knot, a binding knot.
- Pharyngeal constrictor, one of the muscles that serves to constrict the pharynx.