The 2009 Italian Open[2][4][5] (also known for 2009 Rome Masters[6][7][8] and its sponsored title 2009 Internazionali BNL d'Italia) was a tennis tournament played on outdoor clay courts.

It was the 66th edition, and was part of the ATP World Tour Masters 1000 of the 2009 ATP World Tour, and of the Premier-level tournaments of the 2009 WTA Tour.

Both the men's and the women's events took place at the Foro Italico in Rome, Italy, with the men playing from April 25 through May 4, 2009, and the women from May 3 through May 9, 2009.

Rafael Nadal defeated Novak Djokovic 7–6(7–2), 6–2 Dinara Safina defeated Svetlana Kuznetsova, 6–3, 6–2 Daniel Nestor / Nenad Zimonjić defeated Bob Bryan / Mike Bryan, 7–6(7–5), 6–3 Hsieh Su-wei / Peng Shuai defeated Daniela Hantuchová / Ai Sugiyama, 7–5, 7–6(7–5) The following players received wildcards into the main draw: The following players received entry from the qualifying draw: The following players received wildcards into the main draw: The following players received entry from the qualifying draw: