|Date of birth||21 September 1974|
|Place of birth||Pontecorvo, Italy|
|Height||1.79 m (5 ft 10 1⁄2 in)|
|* Senior club appearances and goals counted for the domestic league only.
† Appearances (Goals).
Born in Pontecorvo, Frosinone, Giannichedda started his senior career with A.S. Sora Calcio 1907 in the fourth division, promoting to the third level at the end of the second of his three years. In the 1995 summer he moved straight to the Serie A with Udinese Calcio, playing an average of 30 league games during his last four seasons at the Stadio Friuli.
Giannichedda signed with S.S. Lazio for the 2001–02 campaign, where he was also regularly played. In 2005 he left the Romans and joined Juventus FC, being part of the squad that was involved in the 2006 Italian football scandal, with the subsequent league relegation; he stayed with the club for 2006–07 nonetheless, helping it win the Serie B championship.
Giannichedda represented the country at the 1997 Mediterranean Games, which were held on home soil.
- ""Giannichedda mai all'Inter"" ["Giannichedda will never go to Inter"] (in Italian). La Gazzetta dello Sport. 6 May 2006. Retrieved 14 February 2013.
- "Giannichedda: Livorno la piazza giusta" [Giannichedda: Livorno the right place] (in Italian). Livorno's official website. 1 August 2007. Retrieved 1 August 2007.