Allan Wagner Tizón (b. February 7, 1942 in Lima) is a Peruvian diplomat.
He was the Secretary General of the Andean Community from 2004 until 2006, when he resigned to become Peru's Defense Minister. He was the foreign minister of Peru from 1985 to 1988 and from 2002 until 2003. Recently, he has been selected by the Peruvian Government, in order to act as its agent before the International Court of Justice, in the case concerning maritime delimitation with Chile.