Sebastián Hugo Grazzini (born 25 January 1981) is an Argentine football manager and former player who played as an attacking midfielder.

Grazzini has played for a number of clubs in Argentina, Spain, Belgium, Venezuela and Italy.

After a brief stop with Unión de Sunchales Grazzini left Argentina and signed with Venezuela's Italchaco.

In June 2011 it was reported that Grazzini would be joining Major League Soccer side Chicago Fire on a one-year deal.

[3] On 17 August 2012, Chicago Fire loaned Grazzini to Atlético de Rafaela for the remainder of the MLS season.