Coding may refer to:

Computer science Computer programming, the process of creating and maintaining the source code of computer programs Line coding, in data storage Source coding, compression used in data transmission Coding theory Channel coding Encryption coding, a process of converting sensitive information into numerical code with a security key

Other uses Coding (social sciences), an analytical process in which data are categorized for analysis Coding strand of DNA in molecular biology Legal coding, the process of creating summary or keyword data from a document in the legal profession Medical coding, representation of medical diagnoses and procedures in standard code numbers Number coding in Metro Manila, a road space rationing policy implemented in Metro Manila, Philippines, commonly referred to as "coding" Coding (therapy), alternative therapeutic methods used to treat addictions in the post-Soviet countries Queer coding

See also Code Entropy encoding Transform coding