The invention provides a portable cup holder for carrying a cup with, for example, take-out coffee. The portable cup holder is made with a minimum amount of material that may be folded rapidly and easily, and comprises a bottom portion 1 forming a bottom surface through which a cup opening 3 is formed, a fixing portion 4 connected to top and bottom ends of the bottom portion 1 and folded vertically, a rising portion 7 folded and disposed vertically at right and left ends of the bottom portion 1, a top portion 2 connected to the rising portion 7 forming a top surface and including the cup opening 3a, and a handle portion 10 folded vertically upwards at the top portion 2 that forms a handle.