PROBLEM TO BE SOLVED: To provide a lawn-mowing vehicle capable of uniformizing furthermore the lawn-mowing state of each lawn-mowing mechanism during turning of the lawn-mowing vehicle.SOLUTION: A lawn-mowing vehicle including a plurality of lawn-mowing mechanisms 5A, 5B, 6 having rotary cutters 15 rotated by a motor 17 also includes a steering angle sensor 31 for detecting a steering angle &thetas of a rear wheel 4 of the lawn-mowing vehicle, and a control device 33 for controlling rotational speed of the rotary cutters 15 relative to each of the plurality of lawn-mowing mechanisms 5A, 5B, 6 on the basis of the steering angle &thetas detected by the steering angle sensor 31.