RTZ may refer to: RTZ (radio station), a radio time signal station in Irkutsk, Russia RTZ (band), an American rock band Return-to-zero, a signaling protocol that returns to its "zero" state between tokens Return to Zork, a 1993 adventure game in the Zork series Rio Tinto (corporation) (previously the Rio Tinto – Zinc Corporation), a British-Australian multinational metals and mining corporation RTZ, a 2009 compilation album by Six Organs of Admittance See also Arteezy (born 1996), a Canadian professional Dota 2 player