ISD
ISD may refer to:
Schools
- Illinois School for the Deaf
- Indiana School for the Deaf, Indianapolis, Indiana
- International School of Dakar, Senegal
- International School Dhaka, Bangladesh
- International School of Düsseldorf, Germany
- International School of Dongguan, Dongguan Guangdong, China, operated by International Schools Services
- Isla School of Dance, Hong Kong
- International School of Design, Valenciennes, France
Other
- Industrial Union of Donbas, a Ukrainian corporation based in Donetsk with companies in Ukraine, Poland and Hungary
- Independent school district
- Information Services Department of the Hong Kong Government
- Information Services Division of NHS National Services Scotland
- Inhibited sexual desire, old name for hypoactive sexual desire disorder
- Institute for Strategic Dialogue, London-based international affairs think tank
- Instructional systems design, also known as instructional design
- International Subscriber Dialling, also known as International Direct Dialling
- Intermediate school district
- Internal Security Department of the Republic of Singapore
- Internet Standards Documentation, documentation for Internet standards, issued by the Internet Engineering Task Force (IETF)
- Team ISD, professional cycling team
- Isosorbide dinitrate, by the abbreviation ISD
- Ian Stuart Donaldson, British musician
- ISD Records