Eurico Jorge Nogueira Leite Brilhante Dias (born 15 March 1972) is a Portuguese politician who served as the leader of the Socialist Party's parliamentary group in the Assembly of the Republic from 2022 to 2024.

[1] Brilhante Dias was a supporter of António José Seguro during the 2014 prime ministerial primaries.

After António Costa defeated Seguro, Brilhante Dias was firstly elected to the Assembly of the Republic in Castelo Branco.

[3] In 2017, following Jorge Oliveira's resignation as Secretary of State for Internationalization, Brilhante Dias was appointed by António Costa for that position.

[4] Brilhante Dias supported José Luís Carneiro during the 2023 leadership election, that was ultimately won by Pedro Nuno Santos.