|1906 Colorado Agricultural Aggies football|
|Conference||Colorado Football Association|
|1906 record||1–2–1 (1–2–1 CFA)|
|Head coach||Claude Rothgeb (1st season)|
|Home stadium||Durkee Field|
|1906 CFA football standings|
|Colorado Mines †||2||–||0||–||2||2||–||0||–||2|
|† – Conference champion |
The 1906 Colorado Agricultural Aggies football team represented Colorado Agricultural College (now known as Colorado State University) in the Colorado Football Association (CFA) during the 1906 college football season. In their first season under head coach Claude Rothgeb, the Aggies compiled a 1–2–1 record, tied for last place in the CFA, and were outscored by a total of 21 to 4.
|October 20||at Colorado Mines||L 0–11|
|October 27||at Colorado College||W 4–0|
|November 10||Colorado||T 0–0|
|November 17||at Denver||Denver, CO||L 0–10|
- "2017 Colorado State Football Media Guide". Colorado State University. 2017. pp. 161, 170. https://s3.amazonaws.com/sidearm.sites/csurams.com/documents/2017/8/21/G145_174_2017FBmg.pdf. Retrieved December 23, 2018.