Type 51

Type 51 may refer to:


 * Bugatti Type 51, motor vehicle produced by the auto-maker Bugatti
 * Cadillac Type 51, motor vehicle produced by the auto-maker Cadillac
 * Type 51 pistol, a variant of the Chinese Type 54 pistol
 * Type 51, Chinese reverse-engineered copy of US M20 Super Bazooka
 * Type 051 destroyer, Chinese navy destroyer class
 * Type 051B destroyer, Chinese navy destroyer class