The 2011 Internazionali di Monza e Brianza was a professional tennis tournament played on indoor red clay courts. It was part of the 2011 ATP Challenger Tour. It took place in Monza, Italy between 4 and 10 April 2011.
| Nationality | Player | Ranking* | Seeding | |
|---|---|---|---|---|
 Czech Republic | Jan Hájek | 106 | 1 | |
| Denis Gremelmayr | 109 | 2 | ||
| Czech Republic | Jaroslav Pospíšil | 112 | 3 | |
 Turkey | Marsel İlhan | 114 | 4 | |
 Austria | Andreas Haider-Maurer | 116 | 5 | |
 Poland | Łukasz Kubot | 120 | 6 | |
| Julian Reister | 127 | 7 | ||
| Czech Republic | Lukáš Rosol | 131 | 8 |
The following players received wildcards into the singles main draw:
Andrea Arnaboldi
Laurynas Grigelis Stefano Ianni Thomas MusterThe following players received entry from the qualifying draw:
See main article: 2011 Internazionali di Monza e Brianza – Singles. Julian Reister def. Alessio di Mauro, 2–6, 6–3, 6–3
See main article: 2011 Internazionali di Monza e Brianza – Doubles. 
Johan Brunström / Frederik Nielsen def. 
Jamie Delgado / Jonathan Marray, 5–7, 6–2, [10–7]
