Abstract: A door safety latch permitting the partial opening of a door consisting of an arcuate lug mounted on the door, and having an enlarged ball portion mounted on the end thereof, with a fastening member mounted in the door frame having a pivoted yoke portion whose spaced apart leg portions prevent the ball portion of the lug from passing therethrough. At the pivoted end of the yoke portion, the leg portions are sufficiently spaced apart to permit the ball portion to pass therethrough. When the door is in a closed position and the safety latch swung to the position to permit only a partial opening of the door, the arcuate lug will extend through the space between the leg portions.