Abstract: The present invention provides a retractable pet leash apparatus having a hollow casing, a spool which is mounted for rotation within the casing and which has a pair of sides, a leash which is coiled on the spool in a retracted position and which is extendable through an aperture formed in a wall of the hollow casing upon application of a force, a spring means which is disposed within the hollow housing and which is engageable with the spool for biasing the spool for rotation to retract the leash into the hollow casing. A brake device is engageable with the spool for selectively fixing a free end of the leash at a predetermined distance from the casing and enabling retraction and extension of the leash relative to the hollow casing. The invention also provides a pocket on the exterior surface of the casing for receiving pet identification or immunization tag and a carrying ring.