Rúben Miguel Marques dos Santos Fernandes (born 6 May 1986) is a Portuguese professional footballer who plays as a central defender for Primeira Liga club Gil Vicente.

In the summer of 2007, he joined Varzim S.C. on loan as a replacement for Bruno Miguel,[2] returning at the end of the season and renewing his contract for another year.

[3] Fernandes made his debut in the Primeira Liga in the 2010–11 campaign, playing 20 games and scoring once[4] as his team was relegated one year after being promoted.

He only returned to the top division for 2013–14 after signing with G.D. Estoril Praia,[5] taking part in two UEFA Europa League campaigns with the team and scoring a late equaliser as a substitute in a 1–1 group stage draw against eventual champions Sevilla FC, on 28 November 2013.

[6] In late April 2015, as his contract with the Lisbon outskirts club was about to expire, Fernandes hinted in his Facebook page he was open to negotiations for its renewal.