Provided are a cutting tool holder, a cutting tool, and a cut workpiece manufacturing method using the aforementioned cutting tool. The aforementioned cutting tool holder is provided with a pressing member which comprises a pressing section and an insertion section; a holder body; and a head member which comprises a first fixing member, this first fixing member being divided into a first tip region and a first rear end region, a first surface of the first fixing member being formed to have a first fixing hole and an abutting section, this first fixing hole serving to receive the insertion section of the pressing member, this abutting section being intended to be pressed by the pressing section of the pressing member, and the location of the aforementioned first fixing hole and of the aforementioned abutting section being in that area of the first surface which is in the direction of the first tip regions as seen from the first rear end region. Furthermore, the abutting section comprises a first abutting section and a second abutting section, the aforementioned first abutting section being located in the direction of the first rear end region as seen from the center point of the first fixing hole, and the aforementioned second abutting section being located in the direction of the first tips region as seen from the center point of the first fixing hole. Moreover, the area of the second abutting section is larger than the area of the first abutting section.