The East Belfast-based team overcame a strong challenge from the Limerick Vikings in Dublin on Saturday, winning a nail biting game 16-14 and completing an unbeaten season.
Alliance MLA Chris Lyttle said: “I wholeheartedly congratulate everyone involved with the Belfast Trojans on this historic victory.
“This Belfast Trojans have broken records all season and should be proud of this amazing achievement.”
“The team is a great advertisement for American Football and this win has the potential to boost interest in the sport across Northern Ireland.”
The Belfast Trojans train at Aircraft Park, Holywood Road, Belfast. For more information, contact firstname.lastname@example.org