SD

• Democratic Party (Poland)
• Eswatini
• Pierre Auger Observatory
• RECIST
• SD card
• SD1 (disambiguation)
• San Diego
• Sekolah Dasar
• Service design
• Shandong
• Sicherheitsdienst
• Sindhi language
• Sinistra Democratica
• Sisters of the Destitute
• Social Democrats (Slovenia)
• Software Distributor
• South Dakota
• Southern Cross Decoration
• Spasmodic dysphonia
• Standard deviation
• Standard-definition television
• Storm Data
• Subdwarf star
• Sudan
• Sudan Airways
• Super Density Disc
• Super deformed
• Sweden Democrats
• Swiss Democrats
• System dynamics
• sd (elliptic function)
• sine die