The Catholic Library Association is represented on the local level by regional chapters which serve as adjuncts of the Association, furthering the purposes and objectives of CLA and encouraging membership. Current chapters include:
- Acadiana Chapter – LA (est. 1986) (email)
- Bishop Byrne Chapter – TX (est. 1943) (website)
- Brooklyn-Long Island - NY (email)
- Greater Cincinnati Chapter (est. 1939) (email)
- Greater New Orleans Chapter (est. 1960) (email)
- Greater St. Louis Chapter (est. 1935) (website)
- Greater New York - NY (email)
- Metropolitan Catholic College Librarians/Greater NY Chapter– NY (est. 1943) (email)
- Michigan Chapter (est. 1942) (email chapter contact)
- Neumann Chapter – PA (est. 1939) (email)
- Northern Ohio Chapter (est. 1936) (website)
- Northern Virginia Chapter (est. 1976) (email)
- St. Mother Theodore Guerin Chapter – IN (est. 2008) (email)