Idaho football, 1900–1909
The Idaho football teams (later known as the Idaho Vandals) represented the University of Idaho in American football during the program's second decade from 1900 to 1909. From 1900 to 1907 Idaho competed as an independent and then as a member of the Northwest Conference for 1908 and 1909. Highlights include the following:
- In 1900, Idaho had its first undefeated season and finished with a record of 2–0–1.
 - In 1905, Idaho had its first undefeated and untied season and finished with a record of 5–0.