To provide a workpiece transfer device capable of easily conveying/charging/taking out a workpiece to/in/from a working machine with some limitation of the height.

An arm 17 fitted via first and second sliders 13, 14 interposed along a first guide frame 12a and a second guide frame 12b in a respectively reciprocal manner is inclined and moved by a first cylinder 15 and a second cylinder 16 connected to the first and second sliders 13, 14. A workpiece W held to depict an elliptical curve is conveyed so that a holding means 20 on the other end side of the arm is not interfered with a press device 1, transferred from the waiting position to the working position, and further transferred to the take-out position.