2008–09 Luxembourg National Division

BGL Ligue
Season	2008–09
Champions	F91 Dudelange; 7th championship
Relegated	SC Steinfort; Avenir Beggen;
Champions League	F91 Dudelange
Europa League	FC Differdange 03; CS Grevenmacher; UN Käerjeng 97 (via domestic cup);
Matches played	182
Goals scored	582 (3.2 per match)
Biggest home win	RFCU 9–0 Avenir; F91 9–0 Steinfort;
Biggest away win	Rumelange 0–5 Käerjeng
Highest scoring	RFCU 9–0 Avenir; F91 9–0 Steinfort;
	← 2007–08 2009–10 →

The 2008–09 Luxembourg National Division (also known as BGL Ligue due to sponsorship reasons) was the 95th season of top-tier football in Luxembourg. It started on 2 August 2008 and ended on 24 May 2009.

F91 Dudelange successfully defended their title and qualified for the UEFA Champions League. Runners-up FC Differdange 03 and third-placed CS Grevenmacher, as well as domestic cup winners UN Käerjeng 97, will participate in the UEFA Europa League. SC Steinfort and Avenir Beggen were directly relegated while US Rumelange retained their National Division status via relegation play-off.