The 2011 Military World Games (Portuguese: Jogos Mundiais Militares de 2011), officially known as the 5th CISM Military World Games (Portuguese: V Jogos Mundiais Militares do CISM), was hosted from July 15–24, 2011 in Rio de Janeiro, Brazil.

[2] The villages were built to be a functional and diverse center, vital to the operations of the Military World Games.

The three villages comprise 106 buildings, 1,206 apartments and 4,824 rooms, with capacity to accommodate about 6,000 athletes and 2,000 officials.

Twenty-seven competition venues were used during the 5th Military World Games, the majority located within Rio de Janeiro.

[4] Below is a list of the 108 participating nations (the number of competitors per delegation is indicated in brackets)[5] The competition comprised 20 sports, some of them appearing for the first time in military world games, such as beach volleyball.