PBG is a three-letter abbreviation which may represent: Palm Beach Gardens, Florida, a US city Parallel Blade with Ground, a term used in theater lighting to designate an ordinary NEMA 5-15 electrical power connector The Pepsi Bottling Group (NYSE:PBG), a US company Porphobilinogen Plattsburgh International Airport in Plattsburgh, New York (IATA Code: PBG) Photonic band gap, a property of Photonic crystals Paintball gun (marker) President's Bodyguard, a regiment of the Indian Army Pole of Good Government, a former political alliance in Italy