The present invention relates to a dental floss dispenser, and more specifically, to a dental floss dispenser, wherein two bobbins wound with different types of dental floss are simultaneously stored such that the dental floss can be dispensed in a diagonal direction, respectively, thereby improving the convenience of use. The dental floss dispenser comprises: a bobbin fixture into which bobbins wound with dental floss are inserted to be fixed a transparent window provided at one side, in which separable front and back covers are combined to allow the bobbins inserted into the bobbin fixture to be checked from the outside and a dental floss dispensing portion for dispensing the dental floss wound on the bobbins to the outside, wherein the bobbin fixture with a length of 3-5 cm allows the bobbins wound with different types of dental floss to be simultaneously inserted, a plurality of the dental floss dispensing portions for dispensing the dental floss and a plurality of dental floss cutting portions provided at one side of the dental floss dispensing portions are provided, a dental floss dispensing portion and a dental floss cutting portion are opposite the other dental floss dispensing portion and dental floss cutting portion, and a plurality of cut portions are circumferentially formed at a regular interval along the outer circumferential edge of the bobbin fixture to allow the bobbin fixture to be elastically and closely adhered to the inner circumferential edges of fixing holes of the bobbins fitted to the outer circumferential edge thereof, thereby preventing the bobbin from idly rotating when dispensing dental floss.La présente invention porte sur un distributeur de soie dentaire et, dune manière plus spécifique, sur un distributeur de soie dentaire dans lequel deux bobines sur lesquelles sont enroulés différents types de soie dentaire sont stockées de manière simultanée de sorte que la soie dentaire puisse être distribuée dans une direction diagonale, respecti