Ignacio Ruiz (born 3 January 2001) is an Argentine professional rugby union player who plays as a hooker for Top 14 club Perpignan and the Argentina national team.
Ruiz began his rugby career at Argentine URBA Top13 side Regatas de Bella Vista. In 2020 he joined SRA side Jagaures XV.
In 2022 he joined English Premiership side London Irish joining four other Argentine internationals. After the collapse of London Irish he moved to France joining Perpignan in the Top 14.
Ruiz made his debut against Scotland on Saturday 16 July 2022. He was named in the Argentina squad for the 2023 Rugby World Cup, he featured once against Chile where in which he scored.