Fernando Ariel Meligeni (born 12 April 1971), nicknamed Fininho (diminutive form in Portuguese for thin), is a Brazilian former professional tennis player.

[1] Meligeni was born in Buenos Aires, Argentina but moved with his family to São Paulo, Brazil, when he was four years old.

In 1996, Meligeni won his second ATP Tour singles title in Pinehurst, North Carolina, defeating veteran Mats Wilander in the final.

This year Meligeni had an excellent performance at the 1998 French Open losing at 4th round but playing an incredible match of five tough sets against clay-court specialist Thomas Muster.

This year also had Meligeni's personal favorite match of his career, where he defeated Pete Sampras (ATP nº2 at the time) at the Rome Masters (6–3, 6–1).

Meligeni retired from professional tennis in 2003, playing his last match against Marcelo Ríos from Chile in the final of the 2003 Pan American Games in Santo Domingo, Dominican Republic which he won in three sets.

Off the court, Meligeni has been a host for MTV Brasil, TV Cultura, and ESPN Brazil, in the last one and SporTV also serving as a tennis commentator.