A vehicle left-right wheel drive force distribution control apparatus that executes a distributed output of a wheel drive force to left and right rear drive wheels (2L, 2R) of a four wheel drive vehicle in accordance with a control, the left-right wheel drive force distribution control apparatus comprising: a left-right wheel drive force control means that controls the drive forces of the left and right rear drive wheels (2L, 2R) such that a target value of a left-right drive force difference (ΔTcLR) corresponding to a targeted turning behavior of the vehicle is achieved; characterized in that it further comprises: a turn initial stage detecting means that detects an initial stage of the vehicle turning behavior; and a turn initial stage left-right drive force difference increasing means that increases the target value of the left-right drive force difference (ΔTcLR) during a period when the turn initial stage detecting means detects an initial stage of a turn, wherein the turn initial stage left-right drive force difference increasing means is configured to increase the target value of the left-right drive force difference (ΔTcLR) by multiplying the target value of the left-right drive force difference (ΔTcLR) by a gain; and in a region where the vehicle turning behavior is in the initial stage of turning, the gain is larger when the vehicle turning behavior is smaller. a left-right wheel drive force control means that controls the drive forces of the left and right rear drive wheels (2L, 2R) such that a target value of a left-right drive force difference (ΔTcLR) corresponding to a targeted turning behavior of the vehicle is achieved; characterized in that it further comprises: a turn initial stage detecting means that detects an initial stage of the vehicle turning behavior; and a turn initial stage left-right drive force difference increasing means that increases the target value of the left-right drive force difference (ΔTcLR) during a period when the turn initial stage detecting means detects an initial stage of a turn, wherein the turn initial stage left-right drive force difference increasing means is configured to increase the target value of the left-right drive force difference (ΔTcLR) by multiplying the target value of the left-right drive force difference (ΔTcLR) by a gain; and in a region where the vehicle turning behavior is in the initial stage of turning, the gain is larger when the vehicle turning behavior is smaller. a turn initial stage detecting means that detects an initial stage of the vehicle turning behavior; and a turn initial stage left-right drive force difference increasing means that increases the target value of the left-right drive force difference (ΔTcLR) during a period when the turn initial stage detecting means detects an initial stage of a turn, wherein the turn initial stage left-right drive force difference increasing means is configured to increase the target value of the left-right drive force difference (ΔTcLR) by multiplying the target value of the left-right drive force difference (ΔTcLR) by a gain; and in a region where the vehicle turning behavior is in the initial stage of turning, the gain is larger when the vehicle turning behavior is smaller.