The 1905–06 Federal Amateur Hockey League (FAHL) season lasted from December 27, 1905, until February 28, 1906. Teams were to play an eight-game schedule, but due to the failure of the Montagnards, some teams played only 6 or 7 games.
With the loss of their top two teams, Ottawa and Wanderers, the quality of the FAHL declined. The teams were replaced with the Ottawa Victorias and Smiths Falls Seniors clubs.
The Montagnards would be completely overwhelmed 26–0 by Brockville in their final game on February 2. Otherwise, the season was low scoring, with the notable outstanding debut of goaltender Percy LeSueur of Smiths Falls.