This structure for attaching a stereoscopic camera in a vehicle allows a plurality of cameras to be attached to a vehicle body frame in order to stereoscopically capture images surrounding the vehicle, and the same structure includes: a lateral stay for coupling the plurality of cameras with each other; and brackets for fixing the lateral stay or the plurality of cameras at a cross member having both ends folded upward, having the terminals connected to the front end parts of the side frames at both sides of the engine room, and having a radiator supported at the middle part thereof, wherein at least a part of the plurality of cameras is disposed between both the ends of the cross member and the radiator.