Provided is a vehicle management system configured to manage a plurality of vehicles used at an office. Each of the vehicles includes a battery. The vehicle management system includes: a first prediction control unit configured to cause a prediction for an amount of surplus power generated at the office on a non-work day of the office; a second prediction control unit configured to cause a prediction for a power capacity that can be accumulated by each of the plurality of vehicles at the office on the non-work day; and a selection control unit configured to cause a to-be-retained vehicle to be retained at the office on the non-work day to be selected from among the plurality of vehicles on the basis of the amount of surplus power generated at the office on the non-work day and the power capacity that can be accumulated by each of the plurality of vehicles at the office on the non-work day.