Football at the 2016 Summer Olympics – Men's tournament – Group B

Group B of the men's football tournament at the 2016 Summer Olympics was played from 4 to 10 August 2016, and included Colombia, Japan, Nigeria and Sweden. The top two teams advanced to the knockout stage.

All times are BRT (UTC−3). For matches in Manaus, which is in AMT (UTC−4), local times are listed in parentheses.

Assistant referees:
Abdullah Al-Shalwai (Saudi Arabia)
Mohammed Al-Abakry (Saudi Arabia)
Fourth official:
Joseph Lamptey (Ghana)