Abstract: A loading door safety lock for locking a loading dock in a closed position and for retaining the keys of a vehicle to prevent inadvertent drive-offs. The loading door safety lock generally includes a base member which is mounted to a loading dock door directly beneath its door latch housing. A cover member is hingedly secured to the base member. When the cover member is engaged with the base member in a closed position, the latch of the door latch housing may be locked in place to prevent the loading dock door from being opened. Further, the keys of a driver may be placed in a key storage compartment within the base member to prevent the driver from driving off while the truck is being loaded or unloaded through the loading dock door.