PP7 may refer to:
PP7 battery, a 9-volt battery much larger than the PP3 commonly used in smoke detectors PP7, a weapon used in the video game GoldenEye 007 based on the Walther PPK German police pistol Patrick Peterson (born 1990), American football player Puyo Puyo 7, a video game by SEGA , a deblocking filter from the mplayer and later also ffmpeg project