A shield conductor comprising: a cylindrical or tubular pipe made of metal; and an electric wire passed through the pipe, wherein the cross section of the cylindrical pipe is deformed along an extension direction in which the pipe extends such that it includes: a first deformed portion having a first short diameter portion and a first long diameter portion (21 B) having different outer diameters in a peripheral direction of the pipe; and a second deformed portion being in a different position from the first deformed portion in said extension direction in which the pipe extends and having a second short diameter portion and a second long diameter portion having different outer diameters in the peripheral direction of the pipe; wherein the first and the second short diameter portions (21A, 24A) are provided in different positions in the peripheral direction, the first and the second long diameter portions (21 B, 24B) are provided in different positions in the peripheral direction; and at least one of the first and the second deformed portions (21, 24) curves in a direction in which the short diameter of the respective short diameter portion (21A, 24A) measures. a cylindrical or tubular pipe made of metal; and an electric wire passed through the pipe, wherein the cross section of the cylindrical pipe is deformed along an extension direction in which the pipe extends such that it includes: a first deformed portion having a first short diameter portion and a first long diameter portion (21 B) having different outer diameters in a peripheral direction of the pipe; and a second deformed portion being in a different position from the first deformed portion in said extension direction in which the pipe extends and having a second short diameter portion and a second long diameter portion having different outer diameters in the peripheral direction of the pipe; wherein the first and the second short diameter portions (21A, 24A) are provided in different positions in the peripheral direction, the first and the second long diameter portions (21 B, 24B) are provided in different positions in the peripheral direction; and at least one of the first and the second deformed portions (21, 24) curves in a direction in which the short diameter of the respective short diameter portion (21A, 24A) measures. a first deformed portion having a first short diameter portion and a first long diameter portion (21 B) having different outer diameters in a peripheral direction of the pipe; and a second deformed portion being in a different position from the first deformed portion in said extension direction in which the pipe extends and having a second short diameter portion and a second long diameter portion having different outer diameters in the peripheral direction of the pipe; wherein the first and the second short diameter portions (21A, 24A) are provided in different positions in the peripheral direction, the first and the second long diameter portions (21 B, 24B) are provided in different positions in the peripheral direction; and at least one of the first and the second deformed portions (21, 24) curves in a direction in which the short diameter of the respective short diameter portion (21A, 24A) measures.