| Year: | 1915 |
| Team: | Oregon Agricultural Aggies |
| Sport: | football |
| Conference: | Independent |
| Record: | 5–3 |
| Head Coach: | E. J. Stewart |
| Hc Year: | 3rd |
| Captain: | Brewer Billie |
| Stadium: | Bell Field |
The 1915 Oregon Agricultural Aggies football team represented Oregon Agricultural College (now known as Oregon State University) as an independent during the 1915 college football season. In their third and final season under head coach E. J. Stewart, the Aggies compiled a 5–3 record were outscored by their opponents by a combined total of 166 to 73.[1] The upset victory over Michigan Agricultural College (now Michigan State) was notable because the previous week M.A.C. shut out the unbeaten Michigan Wolverines in Ann Arbor. The team played its home games at Bell Field in Corvallis, Oregon. Brewer Billie was the team captain.