Catt
- Alfred Catt
- Anthony Catt
- Carrie Chapman Catt
- Cat
- Catt Sandler
- Catto (disambiguation)
- Catts
- China Academy of Telecommunications Technology
- Combined Arms Tactical Trainer
- Helena Catt
- Ian Catt
- Kett
- Mike Catt
- Nathan Catt
- Polytechnic Institute of New York University
- University of Maryland, College Park
- University of Pau and Pays de l'Adour