A vehicle drive control device includes a drive lane detector, a drive assist unit, and a curve road steering assist unit. The drive lane detector detects a drive lane of a subject vehicle. The drive assist unit performs drive assist control to assist the subject vehicle in lane keep driving in the drive lane. The curve road steering assist unit performs steering assist for assisting the subject vehicle in turning along a curve of a curve road if the drive lane is the curve road and if the drive assist control performed by the drive assist unit is discontinued during driving on the curve road.