Fernando Ariel Meligeni (born April 12, 1971), nicknamed Fininho (Portuguese for little thin), is an Argentine-born Brazilian former professional tennis player.
He won 3 singles titles and reached the semi-finals of both the 1999 French Open and the 1996 Summer Olympics.
He was well-known because of his capacity of fighting at the court, taking matches to the limit (tiebreaks and five sets).
His favorite surface was clay.
Meligeni is considered by critics one of the best tennis players to represent Brazil, in both singles and doubles.