The present invention is lockable pet leash system employing a padlock having a locking pin that can be retracted to permit the padlock to be connected to a connector, with a combination lock adapted to prevent the pin from being retracted when the lock is locked. The system includes a leash with a padlock at both the collar end and handhold end of the leash and a collar-attachable lock designed to be retrofitted onto a pet collar. The collar padlock can be attached to a loop on a pet collar. The handhold padlock can be attached to a leash connector on the leach to form a loop that can be formed around an anchor, such as a pole, and thereby the leash can be locked to the anchor.
