Laurent Koscielny is a French former professional footballer who played as a central defender. He was born on September 10, 1985, in Tulle, France.

He began his professional career in France with clubs including Guingamp, Tours, and Lorient. In 2010, he joined Arsenal, where he made over 350 appearances and won the FA Cup in the 2013–14, 2014–15, and 2016–17 seasons.

In 2019, Koscielny returned to France to join Bordeaux, where he later ended his professional playing career. At international level, he represented the France national team, earning over 50 caps and being part of the squad that finished as runners-up at UEFA Euro 2016.