1908–09 IAAUS men's basketball season

The 1908–09 IAAUS men's basketball season began in December 1908, progressed through the regular season, and concluded in March 1909.

Rule changes

 * A dribbler was allowed to shoot. Previously, a player could not shoot immediately after dribbling the ball.
 * The double dribble became illegal, with the dribble defined as "continuous passage of the ball."
 * A second official was added to games in an attempt to reduce rough play.

Season headlines

 * In February 1943, the Helms Athletic Foundation retroactively selected Chicago as its national champion for the 1908–09 season.
 * In 1995, the Premo-Porretta Power Poll retroactively selected Chicago as its national champion for the 1908–09 season.

Helms College Basketball All-Americans
The practice of selecting a Consensus All-American Team did not begin until the 1928–29 season. The Helms Athletic Foundation later retroactively selected a list of All-Americans for the 1908–09 season.

Major player of the year awards

 * Helms Player of the Year: John Schommer, Chicago (retroactive selection in 1944)