Blandine Lachèze

Blandine Lachèze (born October 11, 1982 in Fontainebleau, Seine-et-Marne) is a female modern pentathlete from France. She competed at the 2004 Summer Olympics in Athens, Greece, where she finished nineteenth in the women's event, with a score of 4,988 points.

Lachèze won an individual gold medal at the 2003 Asian Open Championships in Kaohsiung, Chinese Taipei, and a relay bronze at the 2004 World Modern Pentathlon Championships in Moscow, Russia.