Type D

Type D or D-Type may refer to:

Science

 * D-type asteroid
 * Type D personality, a concept used in the field of medical psychology
 * Petrov type D, an algebraic classification

Technology

 * Type D plug, a type of electrical power plug
 * Type-D destroyer, ships of the Imperial Japanese Navy
 * Type D escort ship, ships of the Imperial Japanese Navy
 * Type D submarine, submarines of the Imperial Japanese Navy
 * Avro Type D, a 1911 aircraft
 * Caudron Type D, a 1911 aircraft
 * Blackburn Type D, a 1912 aircraft
 * Handley Page Type D, a 1910 aircraft
 * D type Adelaide tram

Motor vehicles

 * Jaguar D-Type, a sports racing car
 * Honda D-Type, a motorcycle
 * Audi Type D, a car
 * Auto Union Type D, a Grand Prix racing car