The 2011 Italian Open[3][4][5][6] (also known as the 2011 Rome Masters[7][8] and sponsored title 2011 Internazionali BNL d'Italia) was a tennis tournament, being played on outdoor clay courts at the Foro Italico in Rome, Italy.

It was the 68th edition of the event and was classified as an ATP World Tour Masters 1000 event on the 2011 ATP World Tour and a Premier 5 event on the 2011 WTA Tour.

It took place from 9 to 15 May 2011.

All money is in Euros The following players received wildcards into the main draw: The following players received entry via qualifying: The following players received entry from a lucky losers spot: The following notable players withdrew from the event: The following players received wildcards into the main draw: The following players received entry via qualifying: The following players received entry from a lucky losers spot: The following notable players withdrew from the event: Novak Djokovic defeated Rafael Nadal, 6–4, 6–4 Maria Sharapova defeated Samantha Stosur, 6–2, 6–4 John Isner / Sam Querrey defeated Mardy Fish / Andy Roddick, w/o Peng Shuai / Zheng Jie defeated Vania King / Yaroslava Shvedova, 6–2, 6–3