Hélder Lopes (born 7 August 1977) is a Portuguese former professional tennis player who competed in the ITF Men's Circuit. He achieved his highest singles ranking of 455 in the world by the Association of Tennis Professionals (ATP) in August 2003. Though he played almost his entire career in the minor circuits, Lopes did play singles and doubles events at the Estoril Open between 2000 and 2003. He also entered five Davis Cup ties in 2002 and 2003.