Steve Darcis (born 13 March 1984 in Liège, Belgium) is a male professional tennis player. He achieved his career high ranking of #44 on 12 May 2008.
Darcis won his first ATP World Tour event at the Dutch Open in July 2007 and achieved his first top-100 ranking on 26 November 2007 by winning a Challenger event in Finland.
Darcis competed at the 2008 Australian Open and French Open, losing in the first round in both. He and Olivier Rochus, however, reached the quarter finals of the doubles tournament at the French Open. He reached the second round at the US Open. He won a second ATP event at Memphis in March 2008.