PURPOSE: To provide a pressure pulsation damper for vehicle fuel pump capable of damping output fuel pressure pulsation and reducing an audible noise from a pump.

CONSTITUTION: This damper 80 is a pipe 82 which is tightened at its end parts 84, 86 and is sealed to form at least one chamber 88, and gas compressible at superatmospheric pressure is preferably sealed in the chamber. The pipe is tightened and sealed at a plurality of positions between the end parts to form a plurality of chambers sealing gas therein.