Esteban Alfredo "Billy" MacDermott (born November 2, 1981) is an Argentine cricketer. He played for Argentina between 1997 and 2014, including six matches in 2007 ICC World Cricket League Division Two with List A status. He is a lower-order batsman and off spin bowler. MacDermott played in America's Cup 2004, in Bermuda, playing every game on that tournament. He later debuted as captain in America's Division Two in April 2006, a competition which the Argentines won, and played four games during the competition, securing the award for the best fielder of the tournament.