Le Lan started his professional footballing career with
Ligue 1 club
Lorient in 1996. He stayed there until 2002 playing 100 games for the clubs. Whilst at Lorient Le Lan played in the
2002 Coupe de France Final in which they beat
Bastia. In 2002, he signed for
Rennes. In 2005, he signed for
Guingamp for a fee worth €500,000. He played 87 games for the club. In 2008, he rejoined his first football club Lorient. He retired at the end of the
2012–13 Ligue 1 with Lorient, at the age of 35 ==Honours==