129 may refer to:AD 129, a year of the Julian calendar 129 (number), the natural number following 128 and preceding 130 129 BC, a year of the Julian calendar 129 Field Squadron, Royal Engineers 129 LZ 129 Hindenburg, an airship Henschel Hs 129, a German World War II ground-attack aircraft K129 (disambiguation) 129 (barge), an American whaleback barge 129 Antigone, a main-belt asteroid