Ignacio Risso Thomasset (born 8 October 1977 in Montevideo) is a Uruguayan football manager and former player who played as a forward. He is the current assistant manager of Liverpool Montevideo.
After retiring, Risso immediately became a part of Defensor Sporting's technical staff. On 1 April 2019, he was promoted to head coach. After failing to qualify for any international cup, the club announced that Risso had been fired on 12 December 2019.