The Lost Zeppelin is a 1929 sound adventure film directed by Edward Sloman and produced and distributed by Tiffany-Stahl. The film stars Conway Tearle, Virginia Valli and Ricardo Cortez.

Tearle plays a navy officer modeled on U. S. Navy Commander Richard Evelyn Byrd, who was then a national aviation hero. Byrd made his own genuine Antarctic adventure film, With Byrd at the South Pole, during his South Pole Expedition 1928-1929.