A composite cable includes an electric wire bundle, and an outer layer sheath covering the electric wire bundle. The electric wire bundle includes a one-core first electric wire, a one-core second electric wire, a two-core twisted pair electric wire, a one-core third electric wire, and one wire-like interposed material formed in the shape of a wire using a polymer. In the electric wire bundle, in a cross sectional view the twisted pair electric wire is disposed on one side of a centerline joining the center of the first electric wire and the center of the second electric wire, and the third electric wire and the wire-like interposed material are disposed on the other side of the centerline.