Lucas Ramón Barrios Cáceres (Spanish pronunciation: [ˈlukas raˈmom ˈbarjos ˈkaseɾes]; born 13 November 1984) is a Paraguayan footballer. who plays as a striker for Brazilian club Grêmio. Barrios is known for his effectiveness in the target area. This earned him his nickname La Pantera, which means The Panther.
Even though he was born in San Fernando, Buenos Aires, Argentina, Barrios' mother is Paraguayan, which made him eligible to receive Paraguay nationality at birth. He received his Paraguay nationality in March 2010 and made his debut on 25 May of that year.
In 2008 Barrios was named top scorer of the year in the world by the IFFHS with 37 goals.