Well, to make a long story short, Jean-Claude Van Damme is not Jewish!
Since Jean-Claude Van Damme's mother is not Jewish, and in Orthodox Judaism and Conservative Judaism, those with a Jewish mother (or those who underwent a halakhic conversion) are considered Jewish, then that makes him not Jewish. Though he is not Jewish, His father is partly Jewish
Jean-Claude Van Damme (whose full birth name is Jean-Claude Camille Fran?ois Van Varenberg) was born on 18 October 1960 in Brussels, Belgium.
Jean-Claude Van Damme has stated that his paternal grandmother was Jewish (which actually makes his father Jewish). Presumably, his other grandparents were not Jewish.
Jean-Claude Van Damme is a Belgian martial artist, actor, and director best known for his martial arts action films. The most successful of these films include Bloodsport (1988), Kickboxer (1989), Universal Soldier (1992), Hard Target (1993), Street Fighter (1994), Timecop (1994), Sudden Death (1995), JCVD (2008) and The Expendables 2 (2012).
If you see any details that require update, please Let us know!