Santiago González Iglesias (born 16 June 1988 in Buenos Aires) is an Argentine rugby union player who plays as a fly-half for the San Diego Legion of Major League Rugby (MLR). He also plays for Asociación Alumni.

Iglesias was also a member of Pampas XV.

He has 46 caps for Argentina, since his debut in the 89-6 win over Chile, at 20 May 2009, in Montevideo, for the South American Rugby Championship, Division 1. He has scored 7 tries, 36 conversions and 12 penalties, in an aggregate of 143 points. He was a regular player and captain for Argentina Jaguars.^[1]

Santiago was part of the national team that competed at the 2015 Rugby World Cup.^{[citation needed]}

González Iglesias is signed to play for Jaguares in Super Rugby until 2017.^{[citation needed]}