Jean-Julien Rojer (born 25 August 1981) is a professional tennis player from Curaçao. His highest ATP singles ranking is 218th, which he achieved on 15 August 2005. A doubles specialist, his career-high in doubles is World No. 3, which he reached in November 2015. His former doubles partners include Eric Butorac and Aisam-Ul-Haq Qureshi. He currently plays with Horia Tecau of Romania, with whom he is the reigning Wimbledon men's doubles champion. He attended UCLA where he competed for the UCLA Bruins men's tennis team.