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, Guangdong, China International School of Design, Valenciennes, France Other Industrial Union of Donbas, Ukrainian corporation Independence Public School District, a school district headquartered in Independence, Missouri Independent school district Interboro School District, a school district headquartered in Prospect Park, Pennsylvania, in the Philadelphia area 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 In-school detention 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 Internal Security Department (Singapore) of the Republic of Singapore Internal Security Department (Brunei) of Brunei Team ISD, professional cycling team