1905–06 Tottenham Hotspur F.C. season

The 1905–06 season was Tottenham's tenth season as a fully professional club and the 23rd year in existence. They competed in two leagues, the main being the Southern Football League with a midweek game in the Western League along with competing in the FA Cup.

In the Southern League Tottenham finished in fifth place with a notable 6-0 win against New Brompton. The Western League saw a couple of 5–0 wins, but Spurs finished the season only in 4th place.

In the FA Cup Tottenham made it to the third round where they lost to Birmingham 2–0 in a reply.