Short for Conference on Data Systems Languages, an organization founded in 1957 by the U.S. Department of Defence. Its mission was to develop computer programming languages. CODASYL was responsible for developing COBOL. The organization is no longer extant, but the term CODASYL is still used sometimes to refer to COBOL.

An acronym for the COnference on DAta SYstems Languages, the committee that produced the document titled CODASYL COBOL Journal of Development. This document serves as the basis for the standardization of the Oracle CODASYL DBMS data manipulation language (DML).

CODASYL (often spelt Codasyl) is an acronym for "Conference on Data Systems Languages". This was an IT industry consortium formed in 1959 to guide the development of a standard programming language that could be used on many computers. This effort led to the development of COBOL.