PROBLEM TO BE SOLVED: To provide a user-friendly roll paper holder while improving external appearance.SOLUTION: The roll paper holder comprises: a cylindrical body 1 that has a front wall part 11 and a rear wall part that are spaced from each other in the cross direction and face each other, and a pair of side wall parts 13 and 13 that are connected to the front wall part 11 and the rear wall part respectively and are spaced from each other in the horizontal direction, and that includes the front wall part 11, the rear wall part, and the pair of side wall parts 13 and 13; a shaft part 2 for rotatably supporting roll paper 5; a pair of shaft support wall parts 14 and 14 that are provided inside the pair of side wall parts 13 and 13, separated from each other in the horizontal direction, regulate a roll paper storage space S in cooperation with the front wall part 11 and the rear wall part, and support both ends of the shaft part 2; and a lid part 3 that covers an upper opening of the roll paper storage space S. The front wall part 11 includes, at the lower end thereof, a cutting part 111 extending to the horizontal direction for cutting the roll paper 5 supported by the shaft part 2.