VDR

VDR may refer to:

• V^dr, an archaic abbreviation for "van der"
• vdR, abbreviation for "van der Roest", a family name of Dutch origin
• Vandalur railway station, Chennai, Tamil Nadu, India (station code)
• Verein Deutscher Rosenfreunde, the Union of German Friends of Roses
• Vertical dimension at rest, a mandibular position used in dentistry to estimate vertical dimension of occlusion
• Virginia Declaration of Rights
• Virtual data room
• Vitamin D receptor
• Video Disk Recorder, also known as Linux VDR, a software to record and store digital video on a Linux computer
• Voltage-dependent resistor
• Volunteer Disaster Responder
• Voyage Data Recorder, an electronic device on ships that records navigational status for later accident investigation (a type of black box)
• Vehicle data recorder, an electronic device in automotive units that records OBDII CAN BUS data
• Voltage Divider Rule, or Voltage Division Rule, a fundamental of electronics, that a point between multiple resistors will be at a voltage based on the ratio of resistor values.${\textstyle Vout=Vin*{\frac {R2}{R1+R2}}}$