Mathías Damián Riquero Berretta (born 29 August 1982) is an Uruguayan naturalized Chilean former footballer who played as a defensive midfielder.

With an extensive career, Riquero played for clubs in Uruguay, Colombia, Brazil and Chile.

[1] As a youth player, Riquero was with Defensor Sporting and Nacional before making his professional debut at the age of sixteen playing for Villa Española.

His last club was Villa Española in the Uruguayan top division.

[3] His brother, Gonzalo, played as a goalkeeper for Villa Española when Mathías made his professional debut.