A vehicle energy management device includes: a storage device that stores a table indicating a control level with respect to a control content of a control target device executed by each electronic control device; an information acquisition device that acquires information related to a remaining amount of energy and a travel environment of the vehicle; a level setting device that sets a target value for suppressing a power consumption of a whole of the vehicle based on remaining amount information of the energy, refers to the table according to the target value and travel environment information, and sets the control level for each control target device to reach the target value for the whole of the vehicle; and a control unit that controls each electronic control device to execute a control for a respective control target device according to the control content indicated by the control level.