In a map matching apparatus, a processor executes, by the program stored in a storage unit, position measurement processing of measuring a current position, matching processing of performing, based on the current position measured in the position measurement processing, matching with a corresponding road position in the road map data stored in the map storage unit, determination processing of determining whether a candidate of a road position to be matched in the matching processing is correct or not, and matching control processing of setting, based on a determination result of the determination processing, the candidate of the road position to be matched in the matching processing.