| Birth Date: | 7 June 1978 |
Tomás MacCormik (born June 7, 1978 in Buenos Aires) is a field hockey midfielder from Argentina. MacCormik began playing hockey at age seven. He made his debut for the national squad in 1996 (at which time his father Miguel was the head coach), and competed for his native country in the 2000 Summer Olympics and the 2004 Summer Olympics. After the Athens Games, MacCormik moved from Club San Fernando to top-level Dutch club HC Tilburg, together with fellow international Matias Vila.