| Year: | 1905 |
| Team: | LSU Tigers |
| Sport: | football |
| Conference: | Southern Intercollegiate Athletic Association |
| Short Conf: | SIAA |
| Record: | 3–0 |
| Conf Record: | 2–0 |
| Head Coach: | Dan A. Killian |
| Hc Year: | 2nd |
| Captain: | Frank M. Edwards |
| Stadium: | State Field |
The 1905 LSU Tigers football team represented Louisiana State University (LSU) as a member of the Southern Intercollegiate Athletic Association (SIAA) during the 1905 college football season. Led by second-year head coach Dan A. Killian, the Tigers compiled an overall record of 3–0, with a mark of 2–0 in conference play.[1]