Lucas Rodrigo Biglia (born 30 January 1986) is an Argentine footballer who currently plays for Lazio and the Argentina national team. His first senior international call-up was in 2011 and he has previously played for the Argentina U-20 national team, who won the 2005 FIFA World Youth Championship.

On 2 June 2014, Biglia was called up for the 2014 FIFA World Cup.