IGD may stand for:

• Internet Gateway Device Protocol as defined in UPnP
• İlerici Gençler Derneği, Progressive Young Association of Turkey
• Immunoglobulin D, an antibody protein involved in the maturation of B cells
• Integrated Graphics Device, a graphics processing unit integrated directly into the motherboard of a PC

• Oppa Nappa
• Oppau
• Oppau (disambiguation)
• Oppavia
• OPPC
• OPPD
• Oppdal Airport, Fagerhaug
• Oppdal Church
• Oppdal Station
• OPP (disambiguation)
• Oppede-le-Vieux
• Oppedette
• Oppegaard Spur
• Oppegach
• Oppegach, California
• Oppegard
• Oppegard Station
• Oppegoeh
• Oppegoeh, California
• Oppegård Station
• Oppel
• Oppelia
• Oppeln
• Oppeln-Bronikowski
• Oppeln (disambiguation)