SIG Strasbourg, more commonly known as SIG and formerly known as Strasbourg Illkirch-Graffenstaden Basket, is a French basketball club based in Strasbourg and resulting from the merger with Illkirch-Graffenstaden. The men's team reached for the first time in 1994 the Pro A championship, the highest level of the French championship, and won its first French championship title in 2005 after a long period dominated mainly by Limoges CSP and Élan Béarnais Pau-Orthez.
The club plays in the Rhénus Sport hall and is chaired since 2010 by Martial Bellon.
