S450

S450 may refer to :


 * Canon S450, a Canon S Series digital camera
 * PV-S450, a Casio Pocket Viewer PDA model
 * S 450 model of the Mercedes-Benz S-Class
 * S450, a model of motor yacht manufactured by Sealine
 * Empire Farringdon (S450), an Empire Ship built by Henry Scarr