Margie Santimaria (born 18 February 1989), is an Italian professional triathlete, National U23 Champion of the year 2010[2] and number 4 in the National Elite Ranking 2010.

[3] In Italy, Margie Santimaria represents Atlectica Bellinzago and Gruppi Sportivi Polizia di Stato Fiamme d'Oro.

In 2010, Santimaria also took part in the prestigious French Club Championship Series Lyonnaise des Eaux representing TriClub Nantais like her country fellow Charlotte Bonin.

In 2008 Margie Santimaria concluded the secondary school ISIS A. Omodeo in Mortara, close to her native town Vigevano.

The following list is based upon the official ITU rankings and the athlete's Profile Page.