Other
- Café au lait spot, a pigmented birthmark
- CAL Cargo Air Lines, a cargo airline based in Israel
- Calipatria State Prison in California, United States
- Cape-Atlantic League, a high school athletic conference in New Jersey, United States
- Capital allocation line, a graph created by investors to measure the risk of risky and risk-free assets
- Center for Applied Linguistics, a non-profit organization that researches language and culture
- Center for Army Leadership, a subordinate organization of the U.S. Army Combined Arms Center
- Cercle artistique de Luxembourg, an artist association in Luxembourg
- Chronic obstructive pulmonary disease, also known as "chronic airway limitation" (CAL)
- Copyright Agency Ltd, an Australian copyright agency principally targeting educational institutions
- Cyberathlete Amateur League, online electronic sports league
- Electronic learning, also called "computer-assisted learning" or "computer aided learning"
- FN CAL, a Belgian assault rifle made by Fabrique Nationale
- Charlotte Abigail Lux, a character in the Doctor Who episodes "Silence in the Library" and "Forest of the Dead"
- Cincinnati Academic League, a high school quiz bowl league
- Columbia Art League