A steering control apparatus intended to operate a steering system including a steering operation actuator that steers steered wheels of a vehicle by displacing a rack shaft in an axial direction relative to a regulation member (16, 28, 40), the regulation member (16, 28, 40) fixed to a vehicle body to regulate displacement of the rack shaft in a direction crossing the axial direction while permitting relative displacement of the rack shaft in the axial direction, the steering control apparatus comprising: a target value setting processing circuit that sets a target value (θp1*) for relative displacement of the rack shaft relative to the regulation member (16, 28, 40) in the axial direction; an axial-force acquisition processing circuit that acquires a rack axial force acting as a load imposed on the rack shaft in the axial direction; a correction processing circuit that corrects the target value (θp1*) based on the rack axial force acquired by the axial-force acquisition processing circuit; and a steering operation processing circuit (M34, M36, M38) that operates the steering operation actuator in order to control relative displacement of the rack shaft relative to the regulation member (16, 28, 40) in the axial direction so that the displacement is equal to the target value (θp1*) corrected by the correction processing circuit, wherein the steering operation actuator includes a steering operation motor that displaces the rack shaft relative to the regulation member (16, 28, 40) in the axial direction, characterized in that the correction processing circuit has a plurality of patterns among which at least one of a magnitude and a sign of the correction amount (Δθ) for the target value of the relative displacement varies with respect to a predetermined value of the rack axial force, and sets the correction amount (Δθ) for the target value of the relative displacement based on one of the patterns, the correction processing circuit includes an indication acquisition processing circuit that acquires a designation signal designating one of the patterns, and the correction processing circuit selects one of the patterns that is utilized to set the correction amount (Δθ) for the target value of the relative displacement based on the designation signal acquired by the indication acquisition processing circuit. a target value setting processing circuit that sets a target value (θp1*) for relative displacement of the rack shaft relative to the regulation member (16, 28, 40) in the axial direction; an axial-force acquisition processing circuit that acquires a rack axial force acting as a load imposed on the rack shaft in the axial direction; a correction processing circuit that corrects the target value (θp1*) based on the rack axial force acquired by the axial-force acquisition processing circuit; and a steering operation processing circuit (M34, M36, M38) that operates the steering operation actuator in order to control relative displacement of the rack shaft relative to the regulation member (16, 28, 40) in the axial direction so that the displacement is equal to the target value (θp1*) corrected by the correction processing circuit, wherein the steering operation actuator includes a steering operation motor that displaces the rack shaft relative to the regulation member (16, 28, 40) in the axial direction, characterized in that the correction processing circuit has a plurality of patterns among which at least one of a magnitude and a sign of the correction amount (Δθ) for the target value of the relative displacement varies with respect to a predetermined value of the rack axial force, and sets the correction amount (Δθ) for the target value of the relative displacement based on one of the patterns, the correction processing circuit includes an indication acquisition processing circuit that acquires a designation signal designating one of the patterns, and the correction processing circuit selects one of the patterns that is utilized to set the correction amount (Δθ) for the target value of the relative displacement based on the designation signal acquired by the indication acquisition processing circuit.