A rotary connector comprising: a rotor; a stator rotatably assembled on the rotor; a main flexible printed circuit having two side edges that are linear and parallel to each other, and wound and coiled within an annular space part formed between the rotor and the stator; a first sub flexible printed circuit mounted on one end part of the main flexible printed circuit, and connecting a connection terminal provided on the one end part and an external connection terminal provided on the rotor; and a second sub flexible printed circuit mounted on another end part of the main flexible printed circuit, and connecting a connection terminal provided on the other end part and an external connection terminal provided on the stator; and characterized in that the main flexible printed circuit and the first sub flexible printed circuit are overlapped on a first holding member, and the main flexible printed circuit and the second sub flexible circuit are overlapped on a second holding member; the first sub flexible printed circuit is formed by a first wiring part on which the one end part of the main flexible printed circuit is mounted, a second wiring part on which rotor-side lead blocks are mounted, and a third wiring part connecting the first wiring part and the second wiring part; the first holding member includes a first holding part for positioning and holding the first wiring part of the first sub flexible printed circuit and the one end part of the main flexible printed circuit; the first holding member includes a second holding part for holding the second wiring part of the first sub flexible printed circuit, the rotor-side lead blocks 7 are placed on the second holding part 18B, and connection terminals 17 of the second wiring part 6B and connection terminals 7A of the rotor-side lead blocks 7 are connected; the first holding member includes a third holding part for holding the third wiring part of the first sub flexible printed circuit; the first holding member is made of a synthetic resin, and is formed to a block body having an L-shape. a rotor; a stator rotatably assembled on the rotor; a main flexible printed circuit having two side edges that are linear and parallel to each other, and wound and coiled within an annular space part formed between the rotor and the stator; a first sub flexible printed circuit mounted on one end part of the main flexible printed circuit, and connecting a connection terminal provided on the one end part and an external connection terminal provided on the rotor; and a second sub flexible printed circuit mounted on another end part of the main flexible printed circuit, and connecting a connection terminal provided on the other end part and an external connection terminal provided on the stator; and characterized in that the main flexible printed circuit and the first sub flexible printed circuit are overlapped on a first holding member, and the main flexible printed circuit and the second sub flexible circuit are overlapped on a second holding member; the first sub flexible printed circuit is formed by a first wiring part on which the one end part of the main flexible printed circuit is mounted, a second wiring part on which rotor-side lead blocks are mounted, and a third wiring part connecting the first wiring part and the second wiring part; the first holding member includes a first holding part for positioning and holding the first wiring part of the first sub flexible printed circuit and the one end part of the main flexible printed circuit; the first holding member includes a second holding part for holding the second wiring part of the first sub flexible printed circuit, the rotor-side lead blocks 7 are placed on the second holding part 18B, and connection terminals 17 of the second wiring part 6B and connection terminals 7A of the rotor-side lead blocks 7 are connected; the first holding member includes a third holding part for holding the third wiring part of the first sub flexible printed circuit; the first holding member is made of a synthetic resin, and is formed to a block body having an L-shape.