Rui Pedro Viegas Silva Gomes Duarte (born 16 September 1978) is a Portuguese former professional footballer who played as a central midfielder, currently a manager.

He amassed Primeira Liga totals of 162 matches and 12 goals over ten seasons, representing Belenenses, Estrela da Amadora and Olhanense in the competition.

Estrela da Amadora, Duarte went on to spend the better part of his 19-year senior career with S.C. Olhanense, winning the 2008–09 Liga de Honra[3] and remaining with the team in the top division for the following five seasons, with him as captain.

[11] He returned to the same league on 4 October at second-from-bottom Casa Pia A.C. after the sacking of Luís Loureiro[12] but, on 17 December, he quit having won once in nine fixtures and the team's ranking unaltered.

[17] On 3 April 2024, he was promoted to the first team following Artur Jorge's departure to Botafogo de Futebol e Regatas and until the arrival of Daniel Sousa at the start of the following campaign.