Thiago Maciel Santiago or simply Thiago Maciel (born 7 August 1982), is a Brazilian former professional football who played as a right-back.
In the 2008 season, Thiago Maciel signed a three-year contract with Tombense, and he was loaned to Ipatinga in January, Macaé in March before signed for Bahia in June. But in August he returned to Alania Vladikavkaz.
After leaving Alania, in March 2009 he signed for Duque de Caxias. He has never played in a competitive game for them, as his contract was terminated only 15 days later.