Jean-Luc Costa (born 25 January 1965) is a Swiss chess player, International Master (1991), two time Swiss Chess Championship winner (1991, 1993).
In the mid-1990s, Jean-Luc Costa was one of the strongest Swiss chess players. In the individual finals of the Swiss Chess Championships, he won gold medals twice (1991, 1993).
Jean-Luc Costa played for Switzerland in the Chess Olympiad:
Jean-Luc Costa played for Switzerland in the World Team Chess Championship:
Jean-Luc Costa played for Switzerland in the European Team Chess Championship:
Jean-Luc Costa played for Switzerland in the World Youth U26 Team Chess Championship:
Jean-Luc Costa played for Switzerland in the Men's Chess Mitropa Cup:
In 1991, he was awarded the FIDE International Master (IM) title.