PalaLottomatica, formerly known as PalaEUR, is a multipurpose sports arena in Rome, Italy.

It is located in the heart of the famous large complex of EUR. PalaLottomatica was designed by architects Pier Luigi Nervi and Marcello Piacentini in 1956, and finished in 1960 for the Summer Olympics. In 1999 was restructured by the italian architect Massimiliano Fuksas, and was renamed after the main sponsor Lottomatica.

It has a capacity of 11,000 spectators. The stadium features 8 meetings points, a restaurant for 300 people and a 2′700 square meter (3229 sq. yards) outdoor terrace. It is currently the home arena of the Italian basketball team Lottomatica Roma and had also hosted the 1991 European basketball championships and the 1997 FIBA Euroleague Final Four.