Abstract: An illuminated door lock is described which comprises in combination a door, a lock fitting in a hole through said door, a plate of translucent material resting on the exterior of the door, said plate having a hole in the middle which is coaxial with the hole in the door through which the lock fits, means for securing said plate around the lock, at least one recess in the plate for accommodating at least one light bulb, said plate having a thickness of at least 1/4 inch and being at least 1/2 inch wide, said bulb having a length between 1/4 inch and 3/8 inch; means for establishing contact between said bulb and a source of electric energy.