1949 VFL thirds season

The 1949 VFL thirds season was the 4th season of the VFL thirds, the Australian rules football competition operating as the junior competition to the Victorian Football League (VFL).

won their second thirds premiership, defeating minor premiers by 11 points.

At the end of the previous season, withdrew from the competition, and  − a side representing Trans Australia Airlines − took its place. However, the side was too heavily beaten and withdrew after round 4.

Ladder
The demise of meant most teams had an extra game counted in the standings. ,, and  − who all played and defeated TAA − remained at 16 games.