Alexandros "Alex" Margaritis is a Greek-German racing driver who is best known for competing in the German-based Deutsche Tourenwagen Masters touring car championship. Prior to that, his career had focused on formula single seater racing in Europe. Margaritis has dual nationality as a result of his place of birth and Greek parentage.

The Formula 3 Euro Series was a European-based junior single seater formula for Formula Three chassis that was launched in 2003 as a merger of the French Formula Three Championship and German Formula Three Championship. The Formula Three category, including this championship, is part of the established career ladder up which European drivers progress to the Formula One world championship, the highest form of single seater racing defined by the Fédération Internationale de l'Automobile (FIA), motorsport's world governing body.