| Acronym | Definition |
|---|
| CNLL➣Conseil National du Logiciel Libre (French: National Council of Free Software) |
| CNLL➣Complex Networks Lagrange Laboratory (Institute for Scientific Interchange Foundation) |
| CNLL➣Carlos Nuno Lacerda, Lda. (Portuguese architecture firm) |
| CNLL➣Concord National Little League (Concord, NH) |
| CNLL➣Chandler National Little League |
| CNLL➣Conference of Newer Law Librarians |
| CNLL➣Central Nervous System Lymphocytic Leukemia (neurology) |