A vehicle passenger restraining apparatus is provided that basically includes a knee angle restraining structure, a shin restraining structure and a groin angle restraining structure. The knee angle restraining structure is configured to restrain a passenger during a frontal collision to attain a posture with a prescribed knee angle as measured between a passenger's thigh and a passenger's shin. The shin restraining structure is configured to restrain the passenger during a frontal collision. The groin angle restraining structure is configured to restrain the passenger during a frontal collision to attain the posture with a prescribed groin angle as measured between the passenger's thigh with respect to a longitudinal axis passing through a rotational center of a passenger's groin joint.