Alexi Pappas or Alexia Pappa (Greek Αλεξία Παππά ; born 28 March 1990) is a Greek-American long distance athlete. As a long distance runner, Alexi has been most successful in the 10km, but has also been a National Collegiate Athletic Association (NCAA) All-American at indoor 3,000 metres, 5,000 metres, and the steeplechase as well as the Ivy League champion in the steeplechase.