Abstract: The present invention relates to a two way animal door adapted to be installed in an existing door to allow two way travel of household pets. More specifically, the present invention pertains to a frame which is inserted into a rectangular aperture formed within an existing door. The frame carries a centrally located post which serves to divide the frame into two equal portions. Within the frame are position a first and a second door. The first door is openable only in one direction, while the second door is openable only the opposite direction. Each of the doors is mounted to the surrounding frame by way of adjustable spring biased hinges. The various components of the present invention and the manner in which they interrelate will be described in greater detail hereinafter.