IDL
IDL is the abbreviation for:
- Interactive Data Language , a software from Exelis-VIS for the analysis and visualization of data.
- Interface Definition Language , language syntax for describing software interfaces , see Interface Description Language
- Intermediate density lipoprotein , see lipoprotein
- International Dateline , international date line
- Internet Defense League , an organization to protect the Internet as a free platform (see also ACTA )
- Information service for Lutheran minority churches in Europe , magazine published by the Lutheran World Federation from 1982 to 1993
Idl is the family name of:
- Andrä Idl (1919–1995), Austrian politician (SPÖ)
- Anton Idl (1877–1962), Austrian politician (SdP), member of the National Council
- Robert Idl (* 1958), Austrian soccer player