The 2009 Veikkausliiga was the 79th season of top-tier football in Finland.
The championship was won by HJK Helsinki, who came out on top of a three-team race which also involved Honka Espoo and TPS Turku.
KooTeePee finished at the bottom of the 2008 season and were relegated to Ykkönen.
KuPS won 2–1 on aggregate and thereby retained their league position.
JJK won the play-offs by 5–3 and remained in Veikkausliiga.