The 2005 Speedway Conference League was the third tier/division of British speedway.
The title was won by Oxford Silver Machine Academy, junior club of the Oxford Cheetahs.
The 2005 Conference League Knockout Cup was the eighth edition of the Knockout Cup for tier three teams. Weymouth Wildcats were the winners. First round
Quarter-finals
Semi-finals
Final
North Group
South Group
Semi-final
Final
Steve Boxall won the Riders' Championship. The final was held on 27 August at Rye House Stadium.
The Pairs Championship was held at the Wimbledon Stadium, on 17 July. The event was won by Mark Burrows and Scott James of the Wimbledon.
Weymouth won the Conference League Four-Team Championship, held on 25 June 2005 at Loomer Road Stadium.
List of United Kingdom Speedway League Champions