Arlene Iradie Semeco Arismendi (born January 11, 1984) is a female freestyle swimmer from Venezuela, who represented her native country in three consecutive Summer Olympics, starting in 2004. She won two gold medals at the 2007 Pan American Games. She attended the University of Alabama.

• Venezuelan records in swimming

• "Athlete Biography: SEMECO ARISMENDI Arlene Iradie". Beijing2008.cn. The Beijing Organizing Committee for the Games of the XXIX Olympiad. Archived from the original on 2008-09-03.
• Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Arlene Semeco". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 2020-04-18.