An endoscope having: an insertion portion; an operation portion provided at a proximal end portion of the insertion portion; a connection cable connected to the operation portion and including an electric connector (208, 242) at a proximal end portion thereof; a first cable wire having one end connected to the electric connector (208, 242) and extending into the operation portion; a second cable wire (228, 230) having one end connected to an electric switch (204, 205) provided on the operation portion, the second cable wire (228, 230) extending into the operation portion; and a connection member (232, 250) to which the other ends of the first cable wire and the second cable wire (228, 230) together are electrically and releasably connected; characterized in that: the connection member (232, 250) is a flexible circuit board, and connectors (225, 229, 231) to which the other ends of the first cable wire and the second cable wire (228, 230) are connected is mounted on the flexible circuit board; the flexible circuit board comprises rigid portions on which the connectors (225, 229, 231) are mounted and a flexible portion provided between the rigid portions and exhibiting flexibility; the opening directions of the connectors (225, 229, 231) are the same and are orthogonal to a direction in which the rigid portions are arranged; and the flexible circuit board, in a state of being bent at the flexible portions, is configured to be housed in a conductive housing and to abut against an inner wall of the housing. an insertion portion; an operation portion provided at a proximal end portion of the insertion portion; a connection cable connected to the operation portion and including an electric connector (208, 242) at a proximal end portion thereof; a first cable wire having one end connected to the electric connector (208, 242) and extending into the operation portion; a second cable wire (228, 230) having one end connected to an electric switch (204, 205) provided on the operation portion, the second cable wire (228, 230) extending into the operation portion; and a connection member (232, 250) to which the other ends of the first cable wire and the second cable wire (228, 230) together are electrically and releasably connected; characterized in that: the connection member (232, 250) is a flexible circuit board, and connectors (225, 229, 231) to which the other ends of the first cable wire and the second cable wire (228, 230) are connected is mounted on the flexible circuit board; the flexible circuit board comprises rigid portions on which the connectors (225, 229, 231) are mounted and a flexible portion provided between the rigid portions and exhibiting flexibility; the opening directions of the connectors (225, 229, 231) are the same and are orthogonal to a direction in which the rigid portions are arranged; and the flexible circuit board, in a state of being bent at the flexible portions, is configured to be housed in a conductive housing and to abut against an inner wall of the housing. the connection member (232, 250) is a flexible circuit board, and connectors (225, 229, 231) to which the other ends of the first cable wire and the second cable wire (228, 230) are connected is mounted on the flexible circuit board; the flexible circuit board comprises rigid portions on which the connectors (225, 229, 231) are mounted and a flexible portion provided between the rigid portions and exhibiting flexibility; the opening directions of the connectors (225, 229, 231) are the same and are orthogonal to a direction in which the rigid portions are arranged; and the flexible circuit board, in a state of being bent at the flexible portions, is configured to be housed in a conductive housing and to abut against an inner wall of the housing.