The following is a list of squads for each nation that competed in men's football at the 2016 Summer Olympics in Rio de Janeiro.
[3][4] On 31 July, Fernando Prass left the squad due to an elbow injury and was replaced by Weverton.
Douglas Costa was originally considered for the squad, but due to injury and his club Bayern Munich's refusal to release him, he was replaced by Renato Augusto.
Fred, from Shakhtar Donetsk, was also considered for the squad, but his club did not release him for the tournament, and he was replaced by Walace.
The following is the Danish final squad in the men's football tournament of the 2016 Summer Olympics.
[6][7] Yussuf Poulsen, Uffe Bech and Lasse Vigen Christensen left the squad due to several reasons and were replaced by Jacob Bruun Larsen, Jacob Barrett Laursen and Mathias Hebo.
The following is the South Africa squad in the men's football tournament of the 2016 Summer Olympics.
[17] On 23 July, Jordan Larsson left the squad due to refusal of his club to release for the Games.
[23] Leon Goretzka, the team captain, was injured in the first match of the tournament,[24] though no alternate was initially used.
The following is the South Korea squad in the men's football tournament of the 2016 Summer Olympics.
[30] On 17 July, Song Ju-hun left the squad due to injury and was replaced by Kim Min-tae.
[33][34] On 26 July, Manuel Lanzini left the squad due to injury and was replaced by Cristian Pavón.
[36] On 28 July, Kevin López left the squad due to injury and was replaced by Marcelo Espinal.
[39] On 21 July, Fábio Sturgeon left the squad due to injury and was replaced by Fernando Fonseca.