Tomás Argento (born 24 September 1986 in Buenos Aires) is a field hockey striker from Argentina, who made his debut for the national squad in 2005, after having played the Junior World Cup in Rotterdam, The Netherlands. He finished in tenth position with his national team at the 2006 Men's Hockey World Cup in Mönchengladbach. Tomás won two medals at the Pan American Games, two at the Champions Challenge and one at the Champions Trophy.