Mirko Celestino (born 19 March 1974 in Albenga) is an Italian former professional road racing cyclist, specializing in the classic cycle races. His biggest career achievements to date include winning the monumental classic—Giro di Lombardia, the classic HEW Cyclassics and two-time winner of the semi-classic Milano–Torino. Since retiring from road racing, Celestino has been active in mountain bike racing, achieving a silver medal at the 2010 UCI Mountain Bike Marathon World Championships and a bronze medal at the 2011 UCI Mountain Bike Marathon World Championships.