[3] On 4 June 2015, a final list of 100 athletes was announced, with the exclusion of female wrestler Ana Pereira due to failure in complying with the national federation selection criteria.

[4] On the opening day of the Games, clinical issues forced four last-minute athlete changes: female swimmer Tamila Holub (appendicitis) was replaced by Madalena Azevedo, while the acrobatic gymnastics female trio was replaced due to injury of one of its members (Raquel Martins) by Jéssica Correia, Joana Patrocínio and Susana Pinto.

None of the participating athletes were able to advance from the group play stage, with Sónia Gonçalves securing the only Portuguese win in this competition.

Portugal qualified nine athletes in six events, based on the national ranking list released by the Union Cycliste Internationale on 31 December 2014.

The road race course consisted of multiple laps in an urban circuit starting and finishing at the Freedom Square.

Portugal qualified 14 athletes in 12 events, based on the International Judo Federation world ranking list announced on 2 March 2015.

Portugal has qualified for nine individual quota places,[2] based on a ranking list announced by the Ligue Européenne de Natation, accounting the results per NOC from the past three European Junior Swimming Championships.

Portugal qualified four athletes, based on the Olympic Ranking list announced by the World Taekwondo Federation on 31 March 2015.

Portugal qualified five athletes in two events, based on the European Triathlon Union 2014 Points List rankings on 31 December 2014.