Santiago Álvarez Fourcade (born 17 January 1994) is an Argentine professional rugby union footballer who plays as a centre for Argentina club CASI. At international honors he has been capped three times in 2013 for the Argentina national rugby union team. In his early career, he was selected to play in the 2013 and 2014 IRB Junior World Championship for Argentina and took part in the Argentina XV, the second national team in Argentina.