Ciro Arturo Pupo Castro (born April 11, 1961) is a Colombian politician and former Mayor of the Colombian city of Valledupar.
He was elected mayor as a member of the Colombian Liberal Party.
He is married with Obeida Lucia Salgado Zequeda, her sun Oscar Miguel.
He is the son of Edgardo Pupo Pupo and Nelly Castro Baute; his father was governor of the Department of Cesar and also mayor of Valledupar, asà como consul general en la República de Panamá, Concejal y Diputado del Departamento del Cesar.
Pupo is a lawyer graduated from the Saint Thomas Aquinas University with an MBA.
He is a cousin of Rodrigo Tovar Pupo (aka Jorge 40) a United Self-Defense Forces of Colombia paramilitary leader.