To provide a vertical gutter holder capable of easily and surely fixing a variety of vertical gutters with different outer diameters.

This vertical gutter holder comprises a semi-annular fixedly supporting part 3 having a fixed lever 2 and a semi-annular movable support part 4 rotatably pivoted to one end of the fixedly supporting part 3. The other end of the fixedly supporting part 3 is formed at a small width end 3a, and a plurality of serrated locking pieces 5a to 5c are projectedly provided on the outer peripheral surface of the small width end 3a circumferentially at small intervals, and a recess 7 receiving the small width end 3a is formed in the free end of the movable support part 4 and a locking claw 6 lockable to the serrated locking pieces 5a to 5c is projectedly installed on the inner surface of the recess 7. The small width end 3a is inserted into the recess 7 so that the locking claw 6 can be locked to one of the serrated locking pieces 5a to 5c in a crimped state according to the magnitude of the diameter of the vertical gutter.