Francisco Diego Maciel (born September 17, 1977, in Buenos Aires) is a retired Argentine footballer who played as a right back.
Maciel made his debut in the Argentine Primera with Deportivo Español on December 8, 1996, against Rosario Central.
In 2002 Maciel moved to Spain and spent some time playing for Real Murcia and RCD Mallorca.
After he left the club, he was inactive for seven months, until he got an offer from Bolivian side Bolívar for which he signed in July 2009.
This biographical article related to an Argentine association football defender is a stub.