Suarez is due to complete his move from Liverpool in the next few days, and the Catalan club wanted to hold a big event for Suarez in a non-football venue to get around the four-month ban imposed on the Uruguay striker for biting Italy's Giorgio Chiellini.
But FIFA has now confirmed that any such event will not be permitted while the ban remains in force.
FIFA's head of media Delia Fischer: "The ban relates to all football-related activity. He cannot be in a football-related public event irrespective of the venue.
"He cannot even be involved in a football-related charity event."