Flávio Saretta Filho (born on June 28, 1980 in Americana, São Paulo) is a professional tennis player from Brazil who turned professional in 1998.
Saretta has won one ATP Tour title, the 2004 Croatia Open Umag doubles title when, together with José Acasuso, he defeated Czech players Jaroslav Levinsky and David Skoch in the final (4-6, 6-2 and 6-4)
In 2004 he competed in the Tennis Olympic Tournament in both the singles and doubles tournaments. He was eliminated by Andy Roddick in the singles tournament round of 64 and, playing together with André Sá, he reached the doubles tournament round of 16, where he was eliminated by Wayne Black and Kevin Ullyett, from Zimbabwe.
He reached his highest singles ATP-ranking on September 15, 2003, when he became the number 44 of the world.
During the Hamburg Masters in 2006, Saretta scored one of his biggest wins against the Russian former world number one Marat Safin. The score was 5-7 6-0 6-4.
