Ignacio Larrague (born 25 October 1995) is an Argentine rugby union player who plays as a lock.

He currently plays for the Jaguares in the international Super Rugby competition and also for Club Atlético San Isidro in the Torneo de la URBA in his native Argentina.

He made two appearances for them in their debut campaign in the competition.

[3] Larrague was selected in the Argentina Under-20 sides which competed in the World Championships in 2014 and 2015.

He also played international rugby for the Argentina XV team which recorded victories over Chile and Uruguay in May and June 2016.