A vehicle body front structure comprising: a radiator support that is disposed in a front side of a vehicle body front section in a vehicle body fore-aft direction and includes (i) a pair of side members of the radiator support, each longitudinal direction of which coincides with a vehicle body height direction and (ii) a radiator support upper that constitutes an upper section of the radiator support and extends in a vehicle body width direction; an apron upper member that is disposed in both sides of the vehicle body front section in a vehicle body width direction along the vehicle body fore-aft direction; and a radiator support connection member which connects an upper section of the side member in the vehicle body height direction to a front end section of the apron upper member in the vehicle body fore-aft direction, characterised in that the radiator support connection member includes a base section including a coupling section coupled to the side member, and a low rigidity section that is provided in an apron upper member side, and to which a fender bracket for supporting an end of a fender panel in an inner side with respect to the fender panel in the vehicle body width direction is attached, the fender panel constituting an outer side surface of the vehicle body front section, wherein a rigidity of the low rigidity section to which the fender bracket is attached is set lower than a rigidity of the base section to which the side member of the radiator support is coupled. a radiator support that is disposed in a front side of a vehicle body front section in a vehicle body fore-aft direction and includes (i) a pair of side members of the radiator support, each longitudinal direction of which coincides with a vehicle body height direction and (ii) a radiator support upper that constitutes an upper section of the radiator support and extends in a vehicle body width direction; an apron upper member that is disposed in both sides of the vehicle body front section in a vehicle body width direction along the vehicle body fore-aft direction; and a radiator support connection member which connects an upper section of the side member in the vehicle body height direction to a front end section of the apron upper member in the vehicle body fore-aft direction, characterised in that the radiator support connection member includes a base section including a coupling section coupled to the side member, and a low rigidity section that is provided in an apron upper member side, and to which a fender bracket for supporting an end of a fender panel in an inner side with respect to the fender panel in the vehicle body width direction is attached, the fender panel constituting an outer side surface of the vehicle body front section, a base section including a coupling section coupled to the side member, and a low rigidity section that is provided in an apron upper member side, and to which a fender bracket for supporting an end of a fender panel in an inner side with respect to the fender panel in the vehicle body width direction is attached, the fender panel constituting an outer side surface of the vehicle body front section, wherein a rigidity of the low rigidity section to which the fender bracket is attached is set lower than a rigidity of the base section to which the side member of the radiator support is coupled.