2003 A Lyga
| Season | 2003 |
|---|---|
| Dates | 4 April-31 October |
| Champions | FBK Kaunas |
| Relegated | Sakalas Siauliai |
| UEFA Champions League | FBK Kaunas |
| UEFA Cup | FK Ekranas FK Zalgiris |
| UEFA Intertoto Cup | FK Vetra FK Atlantas |
← 2002 2004 → | |
The Lithuanian A Lyga 2003 was the 14th season of top-tier football in Lithuania. The season started on 4 April 2003 and ended on 31 October 2003. 8 teams participated with FBK Kaunas winning the championship.