Federica Pellegrini (born August 5, 198 is an Italian swimmer. A native of Mirano (province of Venice), she is currently the women's 200m freestyle (Long Course and Short Course) and 400m (Long Course) freestyle world record holder.

Pellegrini is the first female Olympic Champion in the history of Italian swimming; she is also the only Italian swimmer to have set world records in more than one event.
Her first international podium was at the 2004 Olympic Games in Athens, where she won the silver medal in the 200m freestyle at the age of 16, becoming the youngest athlete to have ever won an Olympic medal in an individual event in the history of Italian sports.
Pellegrini's first long course gold medal came at the 2008 European Championships in Eindhoven, where she won the 400 m freestyle setting a world record (4:01.53). At the 2008 Olympic Games in Beijing, she arrived as the world-record holder and fvourite for the gold medal in the 400 m freestyle, but only finished 5th in the final. On the same day, she recovered from the disappointment setting a world record in the heats of the 200 m freestyle; in the final, she broke her own world record (1:54.82) and won her first Olympic gold medal.
Pellegrini proved her strength also in short course events at the 2008 European SC Championships in Rijeka when she won the gold medal in the 200 m freestyle at world-record pace (1:51.85).
At the 2009 Mediterranean Games, Pellegrini broke the WR in the 400 m freestyle with a time of 4:00.41 to better Joanne Jackson's record of 4:00.66.