Provided is a signal cable including a connector (20) including a shell (21) that houses a connection terminal (22) to be connected to a connection terminal included in an electronic device and that is electrically connected to a frame ground of the electronic device in a state in which the connector (20) is connected to the electronic device, a cable body (10) including a ground connection wire electrically connected to the shell (21), and a supporting member (40) having a tubular shape and having a higher rigidity than the surface of the cable body (10). The connector-side end portion of the cable body (10) is led inside the supporting member (40), the connector-side end portion of the ground connection wire includes a folded portion that folded, and is disposed outside the supporting member (40), and the shell (21) is fixed to the cable body (10) in a state in which the folded portion is sandwiched between the shell (21) and the supporting member (40).