Diego Sebastián Cagna (born 19 April 1970) is an Argentine football coach and former player who played as midfielder.

This was Tigre's highest ever finish in the top division, gaining Cagna notoriety from fans and the sports press.

[3] In the Apertura 2008 championship Tigre finished joint top of the Primera División with Boca Juniors and San Lorenzo.

Cagna then guided Tigre to qualification to an international club competition for the first time in their history at the end of the 2008–09 season.

Moreover, his international appearance in Copa Sudamericana meant another disappointment since "Los Albos" were kicked out in first round home/away leg versus Universitario de Sucre.